Answer:
I'm not sure if this is right, but i believe the right answer would be fracture.
Explanation:
In geology, a fracture is any separation in a geologic formation, such as a joint or a fault that divides the rock into two or more pieces. A fracture will sometimes form a deep fissure or crevice in the rock. Fractures are commonly caused by stress exceeding the rock strength, causing the rock to lose cohesion along its weakest plane.
hope this helps :)
Answer: Fracture
Explanation:
Which of the following arguments could be used to support the placement of the helicopter on a timeline before the invention of a radio amplifier even though both were invented in 1907?
• The helicopter was a major breakthrough in transportation that increased the ability to transport goods across the country.
•The helicopter is used to help transport people in emergency situations to life-saving medical treatment.
•The helicopter expanded the role of aviation and led to greater research and development of air travel.
•The helicopter is more useful than radio amplifiers and would likely be used more by the public.
Answer:
The helicopter was a major breakthrough in transportation that increased the ability to transport goods across the country.
Explanation:
The helicopter was a major breakthrough in transportation that increased the ability to transport goods across the country. The correct option is A.
What is transportation?Transportation is the movement of goods and people from one location to another, as well as the various means by which such movement is accomplished.
The helicopter was a significant transportation major advancement that increased the ability to transport goods across the country.
Thus, the correct option is A.
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In pea plants, the gene for the color of the seed has two alleles. In the Punnett square shown below, the dominant allele (Y) represents yellow and the recessive allele (y) represents green.
Punnett Square showing a grid that is blank with 4 empty boxes, two columns and two rows. The female parent plant across the horizontal side, top, of the grid indicates a yellow phenotype and a genotype of Yy. The male parent plant along the vertical side of the grid indicates a yellow phenotype and a genotype of YY.
Based on the Punnett square, what percentage of offspring would have genotype YY?
0%
25%
50%
100%
Answer:
50%
Explanation:
.
Answer:
Option C
Explanation:
Given-
The genotype of female parent is "Yy"
The genotype of male parent is "YY"
The cross between the two parents is shows as below
Yy x YY
Y y
Y YY Yy
Y YY Yy
Thus, out of four offspring two have genotype "YY" and other two have genotype "Yy"
Thus, percentage of offspring that would have genotype YY is [tex]\frac{2}{4} * 100\\= 50[/tex]%
Hence,option C is correct.
determine if the following statement is true or false and why, "a hypothesis can be proven true"
Answer:
Explanation:
I wonder who makes these questions sometimes. It can also be proven false.
I guess you should answer true, but I'd be careful about what the accepted answer is. A hypothesis can be proven true. If you were going to try and prove that rain water is part of the water cycle, you could devise a test that would show it to be true.
It is based on an educated guess and it is a flat statement, not a question.
Rainwater is part of the water cycle.
Would be an example.
How does the hydroelectric dam pictured here impact the environment?
A. By generating significant heat that artificially warms nearby water
B. By producing greenhouse gases
C. By releasing toxic chemicals in their emissions
D. By blocking fish migration
Answer:
D. By blocking fish migration.
Explanation:
The pictured waterfalls are artificial.
The construction of the wall to raise water level for the falls to be created cuts the contact between marine organisms.
The fish on the other end of the fall cannot freely migrate to the other side.
This is because the falls are too dangerous for them and can lead to their death.
This means that the pictured method of power generation is not environmental friendly.
In an ecosystem where hydroelectric dams are constructed over water bodies it blocks the migration of fishes.The correct option is D.
Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .In an aquatic ecosystem where fishes reside they migrate for the purpose of reproduction. Building hydroelectric dams on water bodies blocks the way for fishes when they migrate.
Thus, hydroelectric dam impacts the environment by blocking fish migration.The correct option is D.
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Suppose scientists believe that they've discovered a new planet. Which of the following must be true for the object they've found to qualify as a planet?
A. It must be shaped like an ellipsis.
B. It must have minimal gravity forces.
C. It must be capable of supporting life.
D. It must follow a closed orbit around a star.
Answer:
The correct answer will be option-D.
Explanation:
According to the International Astronomical Union, a planet must satisfy three criteria to be a planet :
1. It must be an independent object which orbits around a star (in our cosmos-Sun).
2. It must have the mass to have its own gravity which forces it to have
a spherical shape
3. It must be large enough to dominate its orbit as its gravity should clear away any other objects.
Thus, option-D is the correct answer.
what are the most diverse ecosystems on Earth?
A)tropical rainforests
B)coral reefs
C)fisheries
D)deep-sea areas
Answer:
Tropical rainforest is the answer
PLEASE ANSWER AND DO QUICK NEED HELP!!!!!
the population of the burrowing owl may increase in it's new surroundings.
Answer is last choice
The least likely outcome of the habitat changes that are described is the population of the burrowing owl may increase in its new surroundings, which is the last option as due to excess cities the population decline and they may go extinct.
The destruction of burrows and loss of prey due to human development can have detrimental effects on the burrowing owl population. These changes in habitat are likely to pose challenges for the survival and well-being of burrowing owls. The destruction of their burrows may lead to a reduction in available nesting sites, and the loss of prey can negatively impact their food sources. While it is possible that the niche of the burrowing owl may change as it adapts to the altered habitat or moves to a new habitat, it is less likely that the population of the burrowing owl would increase as a direct result of these changes.
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What is the difference in average temperature between the two cities in July?
Answer:
11>twenty five -fourteen
Explanation:
25-14
Why do researchers believe that mammals evolved such large brains, such as that of hadrocodium?
Cause mammals are the only species that are well developed before birth unlike marsupial and monotremes
Mammals evolved large brains, such as that of Hadrocodium, to support complex behavior and cognitive abilities. The development of a convoluted cerebral cortex and specialized structures allows for improved brain communication and increased surface area.
Explanation:Researchers believe that mammals evolved large brains, such as that of Hadrocodium, because increased brain size is correlated with complex behavior and cognitive abilities. These larger brains provide mammals with the capacity to process and integrate sensory information, problem-solve, and exhibit more advanced social behaviors. The development of a highly convoluted cerebral cortex and specialized structures, such as the corpus callosum, allow for increased surface area and improved communication between brain regions.
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50 POINTS
Which is the best definition of conservation biology?
the research of threatened species
the use of science to restore ecosystems
the protection of habitats in national parks
the passing of laws to reduce pollution
Answer:
the research of threatened species
is the answer because Conservation biology is the management of nature and of Earth's biodiversity with the aim of protecting species
Explanation:
Answer:
the use of science to restore ecosystems- second choice
For many centuries, legend has held that the Loch Ness monster, a dinosaur-like creature, exists in a lake in Scotland. Many hypothesize that the Loch Ness monster is a pleisiosaur, a lake-living dinosaur thought to have been extinct for millions of years. The majority of scientists do not believe this is possible. Blurry photographs and video recordings show unusual shadows and movements in the lake, but no other signs of the Loch Ness monster have been recorded.
Why do scientists dispute the claim that the Loch Ness monster is a real creature?
A) Because there is no evidence of anything unusual in Loch Ness.
B) Because the pleisiosaur hypothesis is not valid, as it is not based on reason.
C) Because there is not a definite link between the pleisiosaur hypothesis and the evidence.
D) Because in science, if a majority of scientists don't believe something to be true, a hypothesis is rejected.
Answer:
C
Explanation:
C is the only answer that is acceptable. The evidence does not support the hypothesis. It is the best reason for not accepting something as fact.
D is not a good answer. Consensus sometimes plays a role in a scientific decision: no one would seriously propose that "The Earth is Flat" isn't ruled by consensus, but it is also proven wrong other ways.
B is not the reason Nessy isn't accepted. It is a lack of clear undisputable evidence that is the problem
A The quotation says that there is shadows and movements in the lake, but no other signs of Nessy
Answer:
d
Explanation:
why cell theory is still a theory, not a scientific law?
Answer:
The cell theory does not have enough support to become a law. Cell theory is referred to as the history of scientific theory. All cells come from pre-existing cells, and that is the basic unit reproduction and a basic unit of all organisms. Cell theory did not become a law because the scientist who discovered it, did not give it a credit to become a law but a theory. Hope this answer your question :)
The cell theory does not have enough support to become a law. Cell theory is referred to as the history of scientific theory. All cells come from pre-existing cells, and that is the basic unit reproduction and a basic unit of all organisms.
Explain the cell theory?The cell theory states that all biological organisms are composed of cells; cells are the unit of life and all life come from preexisting life.
The cell theory is so established today that it forms one of the unifying principles of biology.
Thus, Cell theory did not become a law because the scientist who discovered it, did not give it a credit to become a law but a theory.
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PLEASE!!! I NEED THIS ANSWERED ASAP!!!!!!!!! IM BEGGING YOU.
1. What is the difference between weathering and erosion?
2. How are mechanical weathering and chemical weathering different?
3. How are hydrolysis and oxidation similar?
4. Explain the process of exfoliation.
5. As waves crash into rock along the shoreline, particles of sand, shell, and other materials in the ocean water loosen tiny bits of sediment from the rock.
6. As the waves recede, they carry the sediment away. In this scenario, which process represents weathering, and which process represents erosion?
Answer:
Weathering is the breakdown of rock into smaller particles through mechanical or chemical means. Erosion is the process by which weathering products are carried away.
Mechanical weathering simply breaks rock into smaller fragments. Chemical weathering actually changes the mineral composition of rock.
Hydrolysis and oxidation are similar in that both involve chemical reactions between a mineral and another material. Hydrolysis is a chemical reaction between a mineral and water. Oxidation is a chemical reaction between a mineral and oxygen.
Exfoliation is the cracking of rock caused by a decrease in pressure. It occurs when a mass of rock is exposed by weathering and removal of the overlying rock, which decreases pressure on the rock. As a result, the rock expands, which causes the rock to crack.
In the scenario, weathering occurs when tiny bits of sand and shell in the waves loosen bits of sediment from the rock. Erosion occurs when the waves carry away those bits of sediment.
Explanation:
all of those are the correct answers
All questions deal with the impact of earth's endogenetic and exogenetic factors. Which include mass wasting, physical, chemical and biological erosion.
The difference between the weathering and erosion is that erosion means to erode by the agents like air, water, ice, waves and man. While weathering is the action of physical or mechanical, chemical, and biological breakdown or weathering down of the earth geomaterials.The mechanical and physical weathering are the same, that is block integration, onion peeling, etc. while chemical weathering includes oxidation, chelation, hydrolysis, carbonization, etc.Oxidation is the process of addition of O2 molecules to the minerals of rocks. Hydrolysis is the chemical break down of a substance by water. Exfoliation is the process of removal of upper layers of the rocks in the form of sheets. Caused by the cracking and peeling of the outer layer by thawing during the day and freezing during the night.The waves brings with them sediments and other deposits such as sand, mud, silt etc and these get deposited at the shore. As these are eroded particles that are broken off by the wave and wind action.When the waves receded they take with them fine and loose particles. The waves lead to erosion. This process is also the cause of beach formation.Learn more about the all aspect of weathering and erosion.
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Which statement describes a biotic factor interacting with environment
*water flows down a creek
*soil contains nutrients for growth
*deer graze through the grassland
*The sun emits solar rays that reach earth
Deer graze through the grass lands becuase biotic pertains to living things
Answer: Option C
Explanation:
The ecosystem consists of both biotic factors and abiotic factors.The living component of the ecosystem is known as the biotic component and the non living component of the ecosystem is known as abiotic component.
The interaction between these two components makes a complete ecosystem. Here the option Deer graze through the grassland is an example of a biotic component interacting with the environment.
is the following equation balanced?
SO3+2H2O--> H2SO4
yes
no
No it is not balanced because there are four oxygen atoms in H2SO4 while there 5 oxygen atoms in the reactants side
Which of the following is not a transboundary health hazard along the U.S.-Mexico border? a. abandoned tires b. raw sewage c. animal carcasses d. hazardous waste Please select the best answer from the choices provided A B C D
Final answer:
The correct answer is hazardous waste.
Explanation:
The correct answer is d. hazardous waste.
The other options - abandoned tires, raw sewage, and animal carcasses - are all examples of transboundary health hazards along the U.S.-Mexico border. These hazards can pose risks to human health and the environment. For example, abandoned tires can collect water and become breeding grounds for mosquitoes that carry diseases like Zika and dengue fever. Raw sewage and animal carcasses can contaminate water sources and spread pathogens, leading to waterborne diseases.
On the other hand, hazardous waste refers to chemicals and substances that are harmful to human health and the environment. While hazardous waste can be a significant health hazard, it is not specific to the U.S.-Mexico border and can be found in various locations worldwide.
Final answer:
Among the given options, animal carcasses are the least likely transboundary health hazard along the U.S.-Mexico border compared to the well-documented issues of abandoned tires, raw sewage, and hazardous waste which affect environmental and human health on both sides of the border.
Explanation:
The question of which one of the following is not a transboundary health hazard along the U.S.-Mexico border' requires identifying the item from the list that is not typically involved in cross-border environmental health issues. Transboundary health hazards are concerns that affect both sides of a geopolitical border and must be managed cooperatively by the nations involved.
Among the given options (abandoned tires, raw sewage, animal carcasses, and hazardous waste), animal carcasses are less commonly seen as a transboundary issue compared to the others which are well-documented problems. Abandoned tires serve as breeding grounds for mosquitoes leading to the spread of disease, raw sewage can pollute waterways affecting human health, and hazardous waste can contaminate land and water, posing significant health risks.
What question did both Lamarck and Darwin try
to answer with their theories of evolution?
A What is the role of DNA in the inheritance of
traits?
B What causes populations of organisms to
change over time?
C What are the patterns of heredity in sexually
reproducing organisms?
D What happens to beneficial traits when popula-
tions undergo natural selection?
B
They tried to explain the leading factors that caused organisms to change.
Final answer:
Both Lamarck and Darwin tried to answer the question of what causes populations of organisms to change over time.
Explanation:
Both Lamarck and Darwin tried to answer the question of what causes populations of organisms to change over time? Darwin proposed the mechanism of natural selection, which states that individuals with traits that are more favorable for their environment are more likely to survive and reproduce, leading to a change in the characteristics of a population over generations. Lamarck, on the other hand, proposed the idea of acquired characteristics, where he believed that traits acquired by parents during their lifetime can be passed on to their offspring.
Please please please help
Answer:
A
Explanation:
You are going to clone a hamster named Fluffy. Although you use the same type of hamster for the egg cell donor and the surrogate mother, they are different colors than Fluffy. Fluffy is a tan colored hamster, but after going through the cloning process, Fluffy's "clone" is born and is a dark brown color. Explain an error you could have made in the cloning process that would cause this clone to be dark brown instead of tan.
Answer:
You could have created a mutation in the DNA strand that changed the color or you didn't copy the DNA verbatim.
Explanation:
The error made in cloning process could be because of genetic recombination.
What do you mean by cloning?Making exact replica of the living organisms.They are both morphologically and genetically identical.What is genetic recombination?"It is the exchange of genetic material between different organisms which leads to production of offspring with combinations of traits."The traits is different from that of their parents. This leads to variation.As we know that traits are carried from parents to offspring through genes.The alternative forms of genes are called alleles.The genes which are tightly linked show less recombination whereas the genes that are loosely linked will show higher recombination.During meiosis the allele pair gets separated and has an equal chances to be passed on to an offspring. It is possible that a trait which is not expressed in parents can be passed and expressed in an offspring.For example: Lets assume that tan color is dominant (T) over brown color (t). If a tan color fluffy having genotype Tt is cloned i.e., crossed with Tt, it will produce the offspring having genotype TT, Tt, Tt and tt.
TT, Tt and Tt will produce tanned progeny whereas tt will produce brown progeny.
Hence, genetic recombination will leads to variation which could be responsible for the error made in the cloning process that would cause this clone to be dark brown instead of tan.
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What is typically responsible for forming volcanic island chains in the oceans?
A. Hot spot volcanism
B. Fissures
C. Composite volcanoes
D. Shield volcanoes
hot spot volcanism is the answer
Ella has just finished a hard workout and her muscles need oxygen to recover.what specialized cell is most appropriate to transport oxygen? A.red blood cell. B.Lung cell. C. White blood cell. D. Splenic cell.
Answer:
A.red blood cell.
Explanation:
.
All of the following are causes of desertification except:
Deforestation
Biodiversity
Overgrazing
Over-irrigation
Answer:
Biodiversity
Explanation:
Poverty, political instability, deforestation, overgrazing, rain runoff, changing wind patterns, and bad irrigation practices are the causes of desertification,
"The correct option is b. Biodiversity.The option that is not a cause of desertification is biodiversity."
Desertification is the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. Let's consider each of the options provided:
a. Deforestation: This is a primary cause of desertification. When trees are removed, the land is exposed to erosion, and the loss of vegetation can lead to a decrease in rainfall and an increase in land temperatures, exacerbating desert-like conditions.
b. Biodiversity: Biodiversity itself is not a cause of desertification. In fact, high biodiversity can help prevent desertification by providing a resilient ecosystem that can withstand environmental pressures. Therefore, biodiversity is not a cause but rather a potential mitigating factor against desertification.
c. Overgrazing: This is another cause of desertification. When livestock consume too much of the available vegetation, it can lead to soil compaction and erosion, reducing the land's ability to absorb and retain water.
d. Over-irrigation: While it might seem counterintuitive, over-irrigation can lead to desertification. Excessive irrigation can cause salts in the soil to rise to the surface, leading to salinization, which makes the land less fertile and more desert-like.
Why did humans develop culture?
Answer:
It increases survivability hence became an advantage in evolution
Explanation:
Culture is shared ideas, behaviors, language, and etcetera among a group of individuals. Culture improves cooperation between individuals hence improving the survivability of human species. Cooperation spans socials realms from shared responsibility in raising and feeding children to division of labor hence improving efficiency.
Which property describes a material's ability to dissolve?
Solubility
Saturation
Boiling point
Volume
Answer: Solubility
Explanation:
Solubility can be defined as the ability of the substance to get dissolve in the solvent. The maximum amount of solute that is dissolved in the solvent at equilibrium is measured to find the solubility of the substance.
The result of solubility is solution which can simply be defined as solute dissolved in solvent.
Example: A sugar solution in which, sugar is solute and solvent is water.
Look at the food web
Which organism would be at the top of the energy pyramid for this ecosystem?
A. Wheat
B. Snake
C. Grass
D. Hawk
A hawk if you have any questions I will explain this answer
The organism at the top of the energy pyramid for this ecosystem would be a hawk
The hawk is the most carnivore animal that does have any predators in the image.
The primary producer takes its energy from the sun. Here, the primary producer is grass. Above producers on the pyramid are the consumers, they are called the primary consumers. Here, the primary consumers are the mouse and the grasshopper. The hawk is the only organism in this ecosystem that does not have any natural predators.
Thus, Hawk will be at the top of this energy pyramid.
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Genetic Engineering has led to genetically modified plants that resist insects, pests and bacterial and fungal infections. Which outcome would most likely be a reason why some scientists recommend caution in planting genetically modified plants?
1Points
A
improved agricultural yield and profit
B
increased genetic variation and diversity
C
reduced pesticide and herbicide use
D
unplanned ecosystem interactions
A farmer observed that an increase in the nitrogen content of the soil in a field was followed by an increase in producer productivity. What does this observation most likely indicate about the relationship between nitrogen and the producers in the field?
1Points
A
Nitrogen was a biotic factor.
B
Nitrogen was a limiting factor.
C
Nitrogen became a surplus resource.
D
Nitrogen became a selection pressure.
Ash from a volcanic eruption decreases the amount of available solar energy for a region. How will a decrease in available sunlight most likely affect ecosystems of this region?
1Points
A
Decomposer populations will increase, causing a decrease in consumer populations.
B
Decomposer populations will increase, causing an increase in consumer populations.
C
Producer populations will decrease, causing a decrease in consumer populations.
D
Producer populations will decrease, causing an increase in consumer populations.
A male pistol shrimp with protective eye tissue pockets mates with a female shrimp without protective eye tissue pockets. All of the offspring have eye tissue pockets. What is the most reasonable conclusion that can be made about the eye tissue pocket trait in pistol shrimp?
1Points
A
It is a recessive, autosomal trait.
B
It is a dominant, autosomal trait.
C
It is a trait that results from multiple alleles.
D
It is a trait that results from incomplete dominance.
I know only the last one and I think it’s B cause dominant trait is the trait observed in the first generation when parent with different traits are bred like Mendel’s first experiment
____________ is a physical quantity that expresses the warmth or coldness of a body or environment. A) Heat B) Radiation C) Temperature D) Thermodynamics
Please help
Answer: Temperature
Explanation: Temperature is a physical quantity that expresses the warmth or coldness of a body or environment.
Temperature is measured quantity that describes the hotness or coolness of an object or the surroundings.
Plants contain the carbohydrates starch and cellulose. In the spring when stem growth is at its fastest rate, cellulose production rates are increased in
some plants. In the months with less sunlight, the level of starch decreases in some plants. What does this information demonstrate?
A.
B.
Two functions of carbohydrates are structural support and energy storage
Two functions of carbohydrates are structural support and transferring genetic information
C.
Plants cannot produce carbohydrates when there is no sunlight
D.
Carbohydrates are not necessary for plants to grow
Answer:
B. Two functions of carbohydrates are structural support and transferring genetic information
Explanation:
Carbohydrates are synthesized in green plants, thanks to photosynthesis, in which carbon dioxide (CO2) and water are converted into glycides, with energy provided by light. The energy stored in the glucose molecule during photosynthesis is released in the degradation (catabolism) of glucose, producing water and CO2.
From the point of view of metabolism, the main function of carbohydrates in plant organisms is to provide energy and provide structural support. This can be seen in the question above, because we can see that in spring, when stem growth is at its fastest pace, cellulose production rates increase in some plants, while in months with less sunlight, the level of starch decreases in some plants.
The information highlights the two functions of carbohydrates in plants which are to provide structural support (cellulose) and act as an energy storage (starch). These functions change depending on environmental conditions such as the amount of sunlight available.
Explanation:This information demonstrates that two significant functions of carbohydrates in plants include structural support and energy storage. The production of cellulose, a carbohydrate, increases in the spring when stem growth is fastest because it aids in providing structural support to the growing stem. The level of starch, another carbohydrate, decreases in months with less sunlight because starch is primarily used by plants as an energy storage molecule and energy production decreases when sunlight is less available.
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If you are digging through deep rock layers and you notice the largest particles at the top rock layer, what can you conclude according to the idea of graded bedding?
A. That tectonic movements may have overturned the layers
B. That the largest particles are younger
C. That the smaller particles are older
D. That the largest and smallest particles are the same age
According to the idea of graded bedding, we can conclude the following: B. That the largest particles are younger.
What is a rock cycle?A rock cycle is a concept that is used to describe and illustrate the continuous chemical and biological processes that leads to the formation of a rock, its transformation from one kind to another, its destruction and reformation over a specific period of time.
Additionally, rock strata (layers) that are found in various parts of the world are usually unique and different from one another because they are all composed of distinct geological history of planet Earth.
According to the idea of graded bedding, we can conclude that the largest particles are younger because the largest particles are at the top rock layer.
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All worms belong to the same phylum.
False
True
Answer:
The right answer is false. There are three different groups of phylum for worms
Explanation: