Shifting cultivation is mostly found in the tropical climate regions. It is a method of cultivation where farmers cut down and burn vegetation on a piece of land, cultivate it for a few years until its fertility diminishes, after which they move to a new area.
Explanation:The practice of shifting cultivation is most commonly found in the tropical climate regions. This form of cultivation, also known as slash-and-burn or Sweden agriculture, involves clearing a piece of land by cutting down and burning the vegetation. After a few years, when the fertility of this land declines, farmers move on to a new area and repeat the process. Many tropical regions such as parts of Asia, Africa, and South America are suitable for shifting cultivation due to their warm climate and high rainfall which leads to rapid regrowth of vegetation.
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Shifting cultivation is most commonly found in which climate region A. humid low-latitude
What is Shifting cultivationShifting cultivation is a traditional agricultural practice that has been practiced for centuries by indigenous communities. While it can be sustainable when practiced in small-scale, traditional settings, extensive or improper use of this technique can lead to deforestation, soil erosion, and environmental degradation, impacting local ecosystems and biodiversity.
In recent times, the expansion of agriculture and changes in land use have led to a decrease in shifting cultivation
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At the time of the Civil War, the settlements of Anglo southerners in Texas did not extend west much beyond this geographic feature, which separates the Coastal Plains and pine forest regions of the state from the middle and High Plains regions.
Answer:
The answer is the Balcones Escarpment.
Explanation:
The Balcones Escarpment is a geologic fault zone several miles wide that extends in an arc right across Texas from Del Rio to the Red River. In Del Rio it is about 1,000 feet high, and where it extends from San Antonio to Austin where it is about 300 feet high to Waco. It is the Balcones that creates the Hill Country in Texas, and that marks the beginning of the Edwards Plateau and the High Plains beyond. The rich and fertile prairie land that was the foundation of the cotton industry runs up to this escarpment but it acts like a wall. Above that on the plateau the ground is hard and craggy, marking a sharp distinction between farmers to the east on the fertile soils, and ranchers to the west but it was once a barrier for further settlement west.
Final answer:
The Gulf-Atlantic Coastal Plain separated the Coastal Plains and pine forest regions from the middle and High Plains regions in Texas during the Civil War.
Explanation:
The geographic feature that separates the Coastal Plains and pine forest regions of Texas from the middle and High Plains regions is the Gulf-Atlantic Coastal Plain. During the time of the Civil War, the settlements of Anglo southerners in Texas did not extend much beyond this feature. The Coastal Plains were dedicated to plantation agriculture using African slave labor.
Which of the following are types of changes that can happen in the rock cycle? a. igneous to sedimentary b. metamorphic to sedimentary c. igneous to metamorphic d. sedimentary to metamorphic e. metamorphic to metamorphic
the following are types of changes that can happen in the rock cycle:
- igneous to sedimentary
- igneous to metamorphic
- sedimentary to metamorphic
- metamorphic to sedimentary
The types of changes that can happen in the rock cycle are that of the igneous to sedimentary, igneous to metamorphic, sedimentary to metamorphic, and metamorphic to sedimentary. Thus, options A, B, C and D are correct.
What is the rock cycle?The rock cycle is a fundamental geological concept that describes transitions through geologic time between the three major rock types: sedimentary, metamorphic, and igneous.
When a rock type is forced out of its equilibrium conditions, it changes. The rock cycle is an important aspect of our dynamic Earth because it allows rocks to change from one type of rock to another depending on their location and circumstances.
The rock cycle describes about the three types of rocks are related to one another, and how processes shift from one type to another over time.
Therefore, options A, B, C and D are correct.
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Compare the achievements of the Knights of Labor and the American Federation of Labor. What common ground do they share? What factors help explain their differences?
Answer:
They both wanted to organised labor and Knights were more open as compared to AFL and followed radicalism .
Explanation:
The knights of labor were a movement that tended to organized both the skilled and the unskilled laborers and were more radical than the American Federation of the laborers. These knights were more open to there membership and had open doors for the women and other people of color and thus they attracted many professional agitators who wanted to use them as the means of violence.Many primitive cultures have a model of the Sun's motion in which the Sun passes underneath a flat earth. This model predicts A nothing at all about how the Sun will appear. B that everyone on Earth sees the Sun rise and set each day. C that people in the far North or South might not see the Sun for many days.?
Answer:
B that everyone on Earth sees the Sun rise and set each day.
Explanation:
B that everyone on Earth sees the Sun rise and set each day.
Antarctica receives more solar radiation than does any other place on Earth, yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise, the water levels of the oceans would rise 250 feet and engulf most of the world’s great cities.
(A) is reflective, so that little polar ice melts during the summer; otherwise,
(B) is so reflective that little of the polar ice melts during the summer; were it to do so,
(C) so reflective that little polar ice melts during the summer, or else
(D) reflective, so that little of the polar ice melts during the summer, or
(E) reflects so that little of the polar ice melts during the summer; if it did
Answer:
Option (B)
Explanation:
From the given sentence, the use of the parallelism in the wording has to be taken in consideration. So, as -are so is used in the word -cold, likewise, the word -is so will also be used right before reflective. Then again, as the sentence continues, the phrase "-were it to do so" will provide the consequence of the melting of the ice, which is the first component of the sentence.
Thus, the correct answer is option (B).
What is one of the responsibilities of an environmental science and protection technician? A. managing waste B. conducting tests to monitor pollution C. formulating environmental regulations D. enforcing environmental regulations E. developing solutions for environmental problems
Answer:
One of the responsibilities of an environmental science and protection technician is Option B: Conducting tests to monitor pollution.
Explanation:
Environmental science and protection technicians are trained to help monitor the environment. They know a lot about the mechanics of testing for contamination and searching for the sources of pollution in the environment. These technicians often work as consultants or for government agencies or laboratory facilities that do a lot of environmental research. They are sometimes part of a wider team of scientists and researchers who ask the technicians to carry out specific tests on their behalf as part of the research. The environmental science and protection technician might also test for noncompliance with environmental regulations, but he or she is rarely expected to formulate those regulations or to enforce them.
Which aspects of seasonality are caused by either revolution or rotation? Select the three that apply.
a.duration of the seasons
b.daily pattern of days and nights
c.shortening of the year perpetual daylight at equator length of a tropical year
Answer:
a, b, e
Explanation:
Correct options are in bold
a. duration of the seasons b. daily pattern of days and nights c.shortening of the year d. perpetual daylight at equator e. length of a tropical yearDuring an El Niño–Southern Oscillation event, which of the following best describes conditions in the eastern part of the tropical Pacific Ocean (e.g., near Peru and Ecuador)?Sea Surface Temperature - Rainfalla.Low - Lowb.Low - Highc.High - Lowd.High - Highe.High - Normal
Answer:
c. High - Low
Explanation:
The Walker circulation is created by the pressure gradient force that is responsible for the high pressure in the eastern part of the pacific ocean and has a low pressure over the Indonesia and the weakening and the reversal is the deep cold water, and thus this El Nino causes the surface to reach above the average temperatures.In Cruzeiro do Sul (Southern Cross), Cildo Meireles raises awareness about the role of Southern Hemisphere countries in the production of natural resources by __________.
Cildo Meireles raises awareness about the role of Southern Hemisphere countries in the production of natural resources through his artwork.
Explanation:In Cildo Meireles' artwork Cruzeiro do Sul (Southern Cross), he raises awareness about the role of Southern Hemisphere countries in the production of natural resources by using art as a medium of communication.
Meireles uses different materials and techniques to convey his message, such as the representation of a cross made out of mineral rocks found in different countries of the Southern Hemisphere.
This artwork aims to highlight the significance of these countries in the global production and exploitation of natural resources.
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The 49th parallel separating Canada from the United States across much of western North America is classified as what type of boundary?
A) artificial or geometric
B) ethnographic
C) natural
D) subsequent
Answer:
Option (A)
Explanation:
The 49th parallel usually refers to the line of 49° latitude in the northern hemisphere. The main significance of this line is that it demarcates the boundary between the U.S and Canada. The word 'parallel' that is used here is an imaginary line that depicts the degrees of latitude surrounding the earth is parallel to the line of the equator. This line goes through places such as Asia, Europe, North America, the Pacific Ocean, and the Atlantic Ocean.
This line of 49th parallel is classified as an artificial or a geometric boundary.
Thus, the correct answer is option (A).
Common scales used in African, Far Eastern, and Native American music are the _____ scales. Group of answer choices A. pentatonic and tritonic B. pentatonic and heptatonic C. heptatonic and tritonic
Answer:
A. pentatonic and tritonic
Explanation:
Hello! The pentatonic scale has the peculiarity that it is composed of 5 tones, they are divided into major and minor. While the tritonic scales are small scales of three notes. Both concepts belong to the art of playing musical instruments, such as the guitar.
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Final answer:
The correct answer is 'A. pentatonic and tritonic'. The pentatonic scale is a five-note scale that is heavily used in traditional music, while tritonic scales with three notes are less common but still present in various music traditions.
Explanation:
Common scales used in African, Far Eastern, and Native American music are pentatonic and tritonic scales. The pentatonic scale is a five-note scale used widely in traditional music across various cultures. A common version of the major pentatonic scale is derived from the major scale but without the 4th or 7th pitches, while one of the popular minor pentatonic scales is similar to the minor scale but also omits these pitches. Tritonic scales, which use three pitches, are less common but also appear in some traditional musical contexts.
Instruments such as the Japanese koto and shakuhachi often utilize pentatonic scales. These scales enable musicians to create music that is beautiful and harmonious without the complexity of additional pitches found in heptatonic (seven-note) scales. The simplicity of the pentatonic scale can be seen in children's songs, early American folk music, and the blues, where the scale contributes to the music's distinct sound.
Biostratigraphy is the process of using "index fossils" to determine the age of a rock unit. An ideal index fossil comes from organisms that had_______________.
Answer:
Index fossils come from organisms that were distinct, widespread, abundant and short lived.
Index fossil, any animal or plant preserved in the rock record of the Earth that is characteristic of a particular span of geologic time or environment. A useful index fossil must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time. Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata. In marine strata, index fossils that are commonly used include the single-celled Protista with hard body parts and larger forms such as ammonoids. In terrestrial sediments of the Cenozoic Era, which began about 65.5 million years ago, mammals are widely used to date deposits. All of these animal forms have hard body parts, such as shells, bones, and teeth, and evolved rapidly.
Index fossil
In the field, you find an unidentified mineral that is clear, exhibits conchoidal fracture, and can scratch glass. This mineral is most likely:
Answer:
quartz.
Explanation:
Hello! Quartz is a mineral that abounds in the earth. We can find it in igneous, metamorphic and sedimentary rocks. There are a large number of varieties and species, usually crystallized, or white. It has numerous specific applications within the industry and jewelry.
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What two formations can a divergent plate boundary create?
Answer:
RIFT VALLEYS AND MID-OCEANIC RIDGES.
Explanation: DIVERGENT PLATE BOUNDARIES occurs when two TECTONIC LAYERS OR PLATES move away from each other creating a low level area. Divergent plate boundaries form RIFT VALLEYS AND MID-OCEANIC RIDGES.
RIFT VALLEYS are linear valleys lying between high lands,created as a result of Divergent Tectonic plates movements,it occurs mainly on mountains or highlands.
MID-OCEANIC RIDGES are formed by Tectonic plates movements occuring under the OCEANS.
Describe how the idea of archaeological context affects how an archaeological site is excavated. What must archaeologists do in order to preserve context?
Answer:
Place where an artifact is found is known as archaeological context
Explanation:
The idea of archaeological context is concerned with the site of artifact presence. The soil, the site type, the layer the artifact was found are all components of the context. To preserve this context, the site must be monitored and put under consistent surveillance. The records consisting of artifacts, biofacts, architecture and cultural information must be registered to detail for future access and assessment from time to time. The cultural and site information must be protected from loss and deterioration. Protective shelters around site where artifacts are found are needed to preserve such artifacts. Reconstruction and reburial of artifacts found may also be needed to preserve them.
In which of the following environments would you expect lithogenous sediment to be the dominant sediment type?
Answer: continental margins, muddy lagoons, sandy beaches, deep oceans.
Explanation:
Lithogenous sediments are sediments whose mineral grains are formed during the weathering of rocks, this sediments are transported by agents such as force of gravity, wind action, running water and movement of ice.
Lithogenous sediments are the most abundant sediments on the earth crust, example includes glacial marine sediments, abyssal clays etc. These sediments are composed of quartz, clay, and other rock fragments. They are found widely distributed along the continental margins, deep oceans, sandy beaches, muddy lagoons, etc.
Lithogenous or terrigenous sediments are derived from the weathering of continental rocks. As such, they dominate in areas close to land, including beaches, deltas, and nearshore areas. Factors like climate, current patterns, and bedrock type can influence their distribution.
Explanation:Lithogenous sediment, also known as terrigenous sediment, typically originates from the physical and chemical weathering of continental rocks. As such, you would expect to find lithogenous sediment as the dominant sediment type in locations close to land.
This includes, but is not limited to, beaches, deltas, and nearshore areas where rivers flow into the sea. Sediment carried by wind, such as in deserts, can also be classified as lithogenous. However, one must also note that the distribution of various sediment types in different environments is affected by factors like climate, current patterns, and the nature of the local bedrock.
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The technique called radiometric dating is based on
A) the formation of radioactive molecules in rocks after they are deposited.
B) the use of fossils of known age to determine how fast carbon-14 decays.
C) the assumption that radioactive isotopes accumulate in fossils at a constant rate.
D) the steady, clocklike decay of certain radioactive isotopes over time.
Answer:
D) the steady, clocklike decay of certain radioactive isotopes over time.
Explanation:
Geologists use radiometric dating to estimate how long ago rocks formed, and to infer the ages of fossils contained within those rocks.
For example, when rocks are formed, such as igneous rocks (formed when molten rocks cools), certain radioactive atoms are trapped inside the rocks during this formation process. Then these radioactive atoms decay over time.
The age of the rock can be estimated by comparing the occurring radioactive isotope within the material to the abundance of its decay products, which form at a known constant rate of decay.
From the options;
A) this is about the formation of the radioactive molecules and not about radiometric dating
B) this is radiocarbon dating (cabon dating/carbon-14 dating)
C) the assumption is wrong since the radioactive isotopes decays not accumulate.
D) the corect option as I explained earlier.
Explain why it is selfish and short-sighted not to think about the needs of future generations.
Answer:
They will live with the consequences of our actions
Explanation:
Most cloudiness and precipitation associated with a cold front occur as a relatively _________ band along or just ahead of where the front intersects Earth's surface.a. narrowb. broad
Answer:
a.narrow
Explanation:
Most cloudiness and precipitation associated with cold front occurs at a NARROW band along or just ahead of where the front intersect Earth's surface.
The prime meridian passes through from the following choices. A) Rome, Italy. B) Athens, Greece. C) Greenwich, England. D) Jakarta, Indonesia.
Final answer:
The prime meridian passes through Greenwich, England, and serves as the global reference point for 0° longitude, as established in 1884.
Explanation:
The prime meridian is an imaginary line that defines the 0° longitude and is crucial for establishing time zones and geographical coordinates around the world. This meridian passes through the Royal Observatory in Greenwich, England, a suburb of London. The establishment of the prime meridian in Greenwich was decided upon through international agreement in 1884, making it the universal reference point for longitude. Thus, when given the options A) Rome, Italy, B) Athens, Greece, C) Greenwich, England, and D) Jakarta, Indonesia, the correct answer is C) Greenwich, England.
the united states economy is a mixed economy?
A. Based on the principle the traditional economy, but allowing some government intervention.
B. Based on the principles of the centrally planned economy, but limiting government Intervention.
C. based on the principles of the free market, allowing no government Intervention.
D. Based on the principles of the free market, but allowing some government intervention.
Answer:
Based on the principles of the free market, but allowing some government intervention
Explanation:
Based on the principles of the free market, but allowing some government intervention
Option A is the correct answer. The United States economy is based on the principles of traditional economy, but allows for some government intervention.
What is a Mixed Economy?In order to understand what a Mixed Economy is, it is important to understand what Capitalist Economy and Socialist Economy mean.Capitalist Economy: It refers to an economy that is purely guided by the forces of the market, a principle known as "Laissez Faire".Socialist Economy: It refers to economy completely controlled by the government without the input of individual will or actions. A Mixed Economy is a hybrid between the Capitalist and the Socialist principles of an economy. The United States is primarily based on the market forces but, it allows for some government control in certain aspects of the country's economy.Therefore, it is clear that Option A is the correct answer.
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A fault that bisects a rock formation is younger than the rock unit according to the Principle of _________.
A. Lateral Continuity
B. Original Horizontality
C. Cross-Cutting Relationships
D. Stratigraphy Reset Selection
Answer:
C. Cross-Cutting Relationships
Explanation:
The principle states that the geologic features that cut the another is younger than the two features and is based on the relative dating technique and it shows the structural relationship as faults and fractures that cuts the older rocks.Which map projection class has longitude lines appearing as straight, equally spaced parallel lines and latitude lines appearing as parallel lines that intersect the meridians at right angles?
Answer:
Cylindrical projection
Explanation:
Characterics of cylindrical map projection
Lines of latitude and longitude are parallel intersecting at 90 degrees
Meridians are equidistant
Forms a rectangular map
Scale along the equator or standard parallels (lines of tangency) is true
Can have the properites of equidistance, conformality or equal area
The poles are represented as lines
The Cylindrical Equidistant projection is the map projection class that has straight and equally spaced longitude lines and intersecting parallel lines at right angles.
Explanation:The map projection class that has longitude lines appearing as straight, equally spaced parallel lines and latitude lines appearing as parallel lines that intersect the meridians at right angles is the Cylindrical Equidistant projection. In this projection, the meridians are represented as straight lines that are evenly spaced, while the parallels form parallel lines that intersect the meridians at 90-degree angles.
According to the USDA, soil surveys show more than __% of natural topsails in North America has been lost since farming began in the U.S.
Answer:
30%
Explanation:
Every consecutive year the loss of topsoil becomes a serious issue for the farmer and policymaker. The reason behind the continuous loss of topsoil is when the upper layer of soil left fallow and exposed to heavy rains and winds. which takes the upper surface with them.
The practice like grazing of field and growing of crop on steeper slopes and continuous practice like crop rotation are the main reason behind the soil erosion.
As the country is moving toward the fast technology phase, practice of securing land to prevent it from erosion is lacking. The other reason behind the fast removal of topsoil is the use of modern technology to grow a crop.
The mechanism by which the atmosphere traps incoming shortwave radiation and outgoing longwave radiation and keeps it in the atmosphere near Earth's surface is called the _________.
Answer:
Greenhouse effect
Explanation:
Greenhouse effect is the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
Imagine you are a geologist charged with the task of choosing which sites listed below should get state-of-the-art volcano monitoring systems. Which of the volcanoes below is least in need of monitoring?
a. Mount Rainier, Washingtonb. Kauai, Hawaii
c. Kilauea, Hawaii
d. Mount Fuji/Fujiyama, Japan
Kauai in Hawaii, with its dormant volcanoes, is the least in need of advanced volcano monitoring systems compared to the actively threatening volcanoes Mount Rainier, Kilauea, and Mount Fuji.
Explanation:Among the volcanoes listed, Kauai in Hawaii is the least in need of a state-of-the-art volcano monitoring system. Kauai is home to dormant volcanoes that are not currently showing signs of activity. In contrast, Mount Rainier is an active stratovolcano with a significant risk of future eruptions, Kilauea is among the world’s most active volcanoes, and Mount Fuji in Japan is an active stratovolcano and also a significant risk due to its proximity to populated areas. Given that Kauai's volcanic threat is minimal compared to the others, it would be deemed the least in priority for state-of-the-art monitoring.
Which of the following layers of the atmosphere contains charged gas molecules that glow and produce light when hit by solar energy, leading to glowing gases such as the northern lights, found over 90 kilometers above Earth's surface?
A) Thermosphere.B) Mesosphere.C) Stratosphere.D) Troposphere.
Mesosphere layers of the atmosphere contain charged gas molecules that glow and produce light when hit by solar energy. Thus, option B is correct.
What is an Earth?The third planet from the sun, Earth is a planet in the solar system where life is known to exist. It is home to both living and non-living organisms. It has one moon and revolves around the sun.
The coolest part of the Upper orbit is called the mesosphere. This stratum of the environment seems to be where meteorites break into microscopic dust particles. The abundance of water vapor, the transfer of pollutants, and climate patterns are all significantly affected by the mesosphere.
Whenever solar radiation strikes electrified oxygen components within mesosphere levels of the atmosphere, they burn and generate electricity, creating illuminating gases Therefore, option B is the correct option.
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Final answer:
The A) thermosphere is the layer of the atmosphere that contains charged gas molecules that glow and produce light when hit by solar energy, leading to glowing gases such as the northern lights.
Explanation:
The layer of the atmosphere that contains charged gas molecules that glow and produce light when hit by solar energy, leading to glowing gases such as the northern lights, is the thermosphere. The thermosphere starts just above the mesosphere and extends to 600 kilometers (372 miles) high. It is in this layer that auroras occur due to the interaction between solar energy and charged particles in the ionosphere.
Thus, it is a layer of Earth's atmosphere characterized by its high temperatures and low density. The thermosphere is where solar activity strongly influences the temperature, causing it to rise significantly. Electrified oxygen components in the mesosphere layers of the atmosphere burn and produce electricity whenever solar radiation touches them, releasing gases that are visible to the na-ked eye.
Identify the true statement.
a. Strip mining can be done economically down to a depth of about 1 km.
b. Anthracite coal develops at depth along mountain belt borders, where temperatures reach 600°C.
c. Underground coal mining is dangerous because of possible tunnel collapse and possible methane gas explosions.
d. Coal began to form on the Earth soon afterlife evolved in the Precambrian.
Answer:
Option (C)
Explanation:
Coal is a sedimentary rock that forms due to the accumulation of dead matters of plants, trees, and converting it into coal over millions of years.
This coal is extracted from the earth in two ways-
Opencast mining- Here, in order to extract the coal, large strips of land are being excavated. Here, the construction of the tunnel is not required. It is comparatively safe and affects the environment in both long as well as short term. Underground mining- Here, the excavations and sub-surface tunnels are made in order to extract the required materials from a certain depth. This method is risky because the underground tunnels and the roof rocks can get the collapse and there may occur the methane gas explosion, and causes a fire, which is why it is not very safe to carry out underground mining.Thus, the correct answer is option (C)- which is true.
Plato found not only answers but also a method for humans everywhere to work out answers without needing to rely on memorizing the official answers of previous generations and to repeat them over and over again, despite obvious problems with them.
Answer: Plato is an author of "dialogues" (The Republic, Laws etc etc.) where the main character is Socrates. Socrates is a philosopher who uses a special kind of dialogue (so-called dialectic dialogue or dialectic method) which leads him to the truth. In other words he follows LOGOS who leads him to uncovering the Truth.
Explanation: Greek word ALETHEIA means "disclosure" and "truth" at the same time. It means that truth is always hidden. Much older Greek philosopher (pre-Socratic) Heraclitus had a dictum: "Truth likes to hide"....it seems that Socrates/Plato followed this thesis.
If the plane of the Moon's orbit were the same as the ecliptic (the plane of Earth's orbit), we would have ____ eclipses (counting both solar and lunar) each month.
If the Moon's orbital plane were the same as the ecliptic, we would have two eclipses each month - one solar and one lunar. In reality, the inclination of the Moon's orbit prevents this, leading to approximately two eclipses happening during 'eclipse seasons' every six months.
If the plane of the Moon's orbit were the same as the ecliptic, we would have two eclipses each month. This is because under these circumstances, every new moon would align with the Sun and the Earth to cause a solar eclipse, and every full moon would align with the Earth and the Sun to cause a lunar eclipse. However, in reality, the Moon's orbit is inclined about 5° to the ecliptic, which prevents this monthly occurrence of eclipses. Instead, we have 'eclipse seasons' when the paths cross, typically resulting in two eclipse opportunities (one solar and one lunar) roughly every six months.