Answer:
The correct answer would be Option B, Mobile Source.
Explanation:
Your family is driving across the country to the Grand Canyon, Air Pollution or Mobile Pollution is produced by your car.
Air pollution is the pollution generated by the Gas emission, Chemical emission, Car Emission, Dust, etc. This pollution consists of solid particles and gases. Air Pollution is very dangerous as it directly affects the Ozone layer.
As the car is moving, so the car is generating the Air pollution, which is considered a mobile source, because car is travelling from one place to another and emitting air pollution where ever it is going.
This is an advantage of which map projection? They are similar to the actual spherical surface of the globe.
Conical map projections
Polyconic map projections
Azinuthal map projections
Mercator projection
Answer:
Azimuthal map projections
Explanation:
The Azimuthal map projections come in a circular shape. They represent the whole world but in a different manner than that of the other map projections. The other map projections tend to have problems with the size of the objects as they get further away from the Equator, but this map projection doesn't have that problem. The Azimuthal map projections actually represent all of the places on Earth with their correct distances from the central point, and they all have their sizes correct proportionally to the scale, thus making an accurate map projection.
Azimuthal map projections are most similar to the actual spherical surface of the globe, accurately showing distances and directions from a selected center point.
Explanation:The advantage described in the question fits Azimuthal map projections. Azimuthal projections maintain an accurate representation of the spherical surface of the Earth because they are projected onto a plane touching the Earth at a single point. This allows for an accurate depiction of distances and directions from the center point of the map. Other types of projections like conical, polyconic, and the Mercator projection distort either the shape, size, distance, or direction to some degree because they represent the spherical Earth on a flat surface.
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pea plants with yellow peas are crossed. Most of their offspring have yellow peas, but about 25 percent of the offspring have green peas. For pea color, yellow is the dominant trait and green is the recessive trait. What does this tell you about the two parent plants?
Hello!
Yellow = Y
Green = y
Based on the fact that 25% of the offspring inherited two recessive alleles (we know this because in order for a recessive allele to be expressed, it must be homozygous), the parent peas had to both be heterozygous.
Yy * Yy will always result in:
1/4 = yy
2/4 = Yy
1/4 = YY
I hope I helped!
Answer: the answer is "The parent plants are heterozygous for pea color."
Explanation:
In a scientific investigation of lakes, the depth of a lake is most likely to be measured in
iters
miles
grams
meters
Answer:
D
Explanation:
Units of weight and volume won't be large enough to be meaningful. so liters and grams are too small. Find out the weight of a cubic meter of water and then estimate how many cubic meters there might be in a lake. Millions would probably be too small.
Miles are too big. Most lakes do not go to a depth of 1 mile, but you on on the right track. Distance is what you want.
Meters are the answer.
Answer: meters
Explanation:
Meter is the measurement unit used for measuring the length, height, breadth, and depth of an entity. In the scientific investigation of lakes, the depth of the lake can be measured in a measurement unit that is called as meters. It will help in assessing the fact that how shallow or deep the lake is.
if a digestive tract is 9m long, how does it fit into a person's body
The digestive tract overlaps in many layers (It can even reach microsocpic overlaping) allowing it to fit inside a person's body.
47 POINTS!!! NEED CORRECT ANSWERS!!!
Which occurs during an asthma attack?
A.
The lining of the airways becomes swollen.
B.
Mucous dries up.
C.
The airways in the lungs are wide open.
D.
All of the above.
Answer:
The lining of the air away becomes swollen inflamed and thicker mucus is produced
A. The lining of airways become swollen
^^^That's why people start coughing a lot. Air is trying to get through the airways and past all the EXTRA mucous that gets produced (the mucous does NOT dry up)
Hope this helped!
~Just a girl in love with Shawn Mendes
A dense group of bacteria that are difficult to treat with antibiotics is called A. a biofilm. B. parasitic. C. a plasmid conjugate. D. lysogenic.
Answer:
A. A biofilm
Explanation:
Biofilms have high bacterial density near to 10000000 CFU/ml bacteria. Due to such high densities, these biofilms becomes resistant to the antibiotics. These biofilms are basically community of microorganisms which stick itself to some kind of surface be it living or non-living. The bacteria’s which get attached to these biofilm and grow in an environment in which they possess both tolerance and resistance towards any bactericidal agent. Due to this functional mechanism of bacterias with in the biofilm, they become resistant to antibiotics.
For a virus, what advantages and disadvantages does the lytic lifecycle have compared with the lysogenic lifecycle?
A. The lytic lifecycle allows viruses to reproduce more quickly but also kills the host and forces the virus to find a new host cell. B. The lytic lifecycle allows viruses to reproduce when the host cell reproduces, spreading to its daughter cells, but also gives the host cell more time to detect and fight the virus. C. The lytic lifecycle allows a virus to wait until conditions are optimal before reproducing but also gives the host cell more time to detect and fight the virus. D. The lytic lifecycle ensures that the virus won't be detected by the host cell but also kills the host and forces the virus to find a new host cell.
answer is B) the lytic lifecycle allows a virus to reproduce when the host cell reproduces, spreading to its daughter cells, but also gives the host cell more time to detect and fight the virus.
Answer:
Option (A).
Explanation:
Lytic cycle is a type of viral reproduction cycle. During lytic cycle, virus replicates inside the host cell separately from host and makes any progeny.
It results in destruction of host organism (infected bacterium) as new progeny of virus are released by destruction of plasma membrane. Lytic cycle is more quick than the lysogenic cycle.
Thus, the correct answer is option (A).
where does the light reaction take place
during photosynthesis, light dependent reactions happen in the outer membrane of thylakoids, called the stroma. Thylakoids make up granum which are inside the chloroplast organelle.
The light reactions of photosynthesis occur in the thylakoid membranes of chloroplasts, where sunlight energy is converted into chemical energy, producing ATP and NADPH, and releasing oxygen.
During these reactions, chlorophyll absorbs energy from sunlight and converts it into chemical energy with the use of water. Oxygen is released as a byproduct, and energy-carrying molecules like ATP and NADPH are produced, which are then used in the Calvin cycle to synthesize sugars.
The technique of lowering the coverslip at an angle is used to) A. Make organelles B. Reduce the formation of air bubbles C. Make the specimen transparent D. Reduce the size of the specimen
The technique of lowering the cover slip at an angle is used to;
B. Reduce the formation of air bubbles
It is essential that the technique of lowering the cover slip at an angle is used to put a cover slip at that angle and to lower it onto the specimen to avoid creating air bubbles which would interfere with the view.
"The correct answer is B. The technique of lowering the coverslip at an angle is used to reduce the formation of air bubbles.
When preparing a microscope slide, the technique of lowering the coverslip at an angle is primarily used to reduce the formation of air bubbles between the coverslip and the slide. Air bubbles can interfere with the clarity of the specimen under the microscope by causing light to scatter, which can obscure details and reduce the quality of the image. By lowering the coverslip at an angle, one can gently lay it down on the slide, allowing air to escape from beneath it, thus minimizing the likelihood of air bubbles being trapped.
Here is the logic behind the other options:
A. Make organelles - Incorrect. The technique does not create or alter organelles within the specimen. Organelles are intracellular structures that exist naturally within cells.
C. Make the specimen transparent - Incorrect. While reducing air bubbles can improve the clarity of the specimen, the primary purpose of this technique is not to make the specimen transparent but to prevent air bubbles from obstructing the view.
D. Reduce the size of the specimen - Incorrect. Lowering the coverslip at an angle does not reduce the size of the specimen. The size of the specimen is determined by the preparation method before placing it on the slide, such as sectioning or smearing.
Therefore, the most appropriate reason for lowering the coverslip at an angle is to reduce the formation of air bubbles, ensuring a clear and unobstructed view of the specimen under the microscope."
How is transported soil different from residual soil?
I have written your answer on my computer and took a photo here it is!!
Answer:
It forms on unconsolidated materials.
Explanation:
Penn Foster's answer
What process must happen to gaseous nitrogen before plants can use it to grow?
Answer:
nitrogen fixation
Explanation:
Answer:
Nitrogen fixation
How is the reducing the pollution in streams and groundwater linked to water conservation
Answer 1:
It should be used in an useful manner and it should not be wasted or misused by the people such as washing the clothes, bathing the animals and so on. These are the ways need to do to reduce the pollution in streams and ground water linked to conservation
Answer 2:
Streams and ground water are the water we use for daily use. so by reducing the pollution we indirectly help in water conservation.
Reducing pollution in streams and groundwater is important for water conservation as it helps maintain ecosystems and replenish water sources. Steps to conserve water include using efficient appliances and harvesting rainwater, incentivized by economic benefits. Pollutant reductions occur where it's economically viable, affecting 20% of U.S. groundwater use.
Explanation:Reducing pollution in streams and groundwater is intrinsically linked to water conservation efforts. By reclaiming water for reuse instead of drawing from freshwater supplies, we can conserve water and allow used water to benefit ecosystems upon its eventual discharge back into nature. This can improve streamflow, nourish plant life, and help recharge aquifers as part of the natural water cycle.
In order to conserve water more efficiently, groups can take steps such as using water-saving appliances, fixing leaks, and implementing rainwater harvesting systems. These steps may not be taken due to a lack of awareness or incentives. Thus, introducing incentives such as rebates for water-efficient products, tiered water pricing to encourage lower consumption, and educational programs could encourage conservation.
Furthermore, reductions in pollution are most likely to occur where it is economically feasible for firms. This means that conserving resources like water not only aids in reducing the environmental impact but can also provide economic benefits by reducing the need for companies to tap into new raw materials, thereby saving energy and costs associated with pollution mitigation.As much as 20% of the water used in the United States is groundwater, which can become contaminated from various sources and its movement can spread pollutants. Therefore, protecting our water sources from pollution is critical for maintaining the availability and quality of water for all uses.
Choose all the answers that apply.
Mushrooms are heterotrophic organisms in the Fungi kingdom. Mushrooms
are plants
make their own food using photosynthesis
are eukaryotes
are prokaryotes
are unicellular
Answer:
Correct answer : are eukaryotes
Explanation:
Mushrooms belong to the kingdom Fungi. They are eukaryotic, heterotrophic multicellular organisms, not capable of photosynthesis, and are not plant species.
Explanation:Mushrooms belong to the kingdom Fungi and are known to be heterotrophic organisms. They are not plants, and they do not possess the ability to make their own food via photosynthesis. Instead, they absorb nutrients from the material they grow on. Mushrooms are eukaryotes, meaning they have complex cells with distinct nuclei, and they are not prokaryotes which have simpler, nucleus-free cells. Finally, mushrooms are not unicellular, but multicellular, composed of many cells that work together for the overall function of the organism.
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what is the process called where foreign DNA is attached to the plasmid DNA?
A. combining
B. joining
C. ligation
D. adhesion
Answer: D is your answer
Explanation:
The process where the foreign DNA is attached to the plasmid DNA is known as ligation.
Explanation:
Ligation is the process of joining two elements of a molecule by making a bond between the electron donor and the electron acceptor. DNA ligase is an enzyme that helps in the three following processes involving the DNA:
It helps in DNA repair, in connecting the fragments of okazaki DNA and it is also used to connect the gene of interest to the plasmid DNA to create a vector during genetic recombination.
What's a pluton? A. A body of igneous rock that forms from cooling lava on Earth's surface B. A body of igneous rock that forms within Earth's crust C. A body of igneous rock that form as a result of intense heat and pressure D. A body of igneous rock that forms along vents in the ocean floor
Answer:
B. A body of igneous rock that forms within Earth's crust
Explanation:
Igneous rocks are of two types: intrusive and extrusive. The extrusive igneous rocks are formed by cooling of lava on the earth surface. The intrusive igneous rocks are formed when the magma cools down within the earth's crust. The intrusive rocks are also called as plutonic rocks. Hence, pluton is a body of an intrusive igneous rock.
Final answer:
A pluton is an intrusive body of igneous rock that forms from slowly cooled magma deep within the Earth's crust, characterized by large crystals. Significant surface exposures of plutons are known as batholiths.
Explanation:
A pluton is an intrusive body of igneous rock that forms when magma cools and solidifies beneath the surface of the Earth. This process allows the magma to cool slowly, leading to the development of large, well-formed crystals. Plutons come in various sizes and shapes, and a large pluton exposed at the surface can be referred to as a batholith, while smaller exposed sections are known as stocks.
Plutons are classified as intrusive, or plutonic, igneous rocks because they are formed from magma intruding into the crust, as opposed to extrusive igneous rocks, which form at the surface.
Polar climates are characterized by
low rates of evaporation
thick vegetation
warm summers
heavy precipitation
Answer:
Low rates of evaporation
Polar climate is found in regions around the north and south poles. They include the Arctic and Antarctica regions.
Explanation:
The regions are mainly cold, dry and windy. This is mainly due to their positionon earth relative to sun causing them to receive very little annual sunlight energy compared to other latitudes of the earth. Therefore most of the moisture is locked up in ice hence the dryness of the region. This is not helped by the thin atmosphere in these regions. This means they cannot retain heat because infrared (the electromagnetic waves responsible for heat transfer) boucing up from the earth's surface easily escapes back to space from this region of earth. The heat needed to spur precipitation, therefore, lacks and hence the dryness. Temperatures in these regions range at averages of 10 degrees centigrade on the warmest summer months.
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What is the difference in average temperature between the two cities in July?
I’m guessing San francisco was cooler and st. louis was warmer?
Answer:
12°C
Explanation:
According to the graph, the x axis are the months while the y axis denotes the varying temperature of both cities every month.
Considering July, the temperature of San Francisco during this month is approximately 14°C. This is gotten by locating the point on the line of San Francisco during July and tracing it perpendicularly to the temperature axis to know its equivalent temperature during that month.
Similarly, the temperature of St. Louis in July is high compare to San Francisco and it is approximately 26°C.
Therefore, the difference in average temperature is 26°C - 14°C = 12°C
David brought home a leaf cutting from a plant. He potted the cutting, and it grew into a full plant. What can you conclude about the new plant?
A.
It inherited chromosomes from two parents.
B.
It’s genetically identical to the parent plant.
C.
It was produced by sexual reproduction.
D.
It has half the number of genes as its parent.
Answer:
B its genetically similar to the parent plant
Explanation:
(03.02 MC)Which of the following is true about the ability of water to produce electricity?
A. The kinetic energy of moving water is converted to electrical energy.
B. The moving water releases energy to the surroundings in the form of chemical energy.
C. The energy produced by moving water is converted to potential energy.
D. The total amount of energy produced by moving water is constant.
Answer:
The answer is A. kinetic energy of moving water is converted to electrical energy.
Explanation:
In a hydroelectric power station, the kinetic energy of the water collides with the hydraulic turbines converting it into mechanical energy which rotates the rotor of a generator; which makes this mechanical energy finally becomes electrical energy. This process is known as Hydraulic Energy, where water energy is used to create electricity.
Answer:
A.The kinetic energy of moving water is converted to electrical energy.
Explanation:
I took the test!! FLVS? :)
Which of the following results from groundwater deposition
A) A flowstone
B) A stink hole
C) karst Spring
D) a cave
A flowstone results from groundwater deposition. Therefore, the correct option is A.
Flow-stone is one of the geological features formed as a result of groundwater accumulation. When mineral-rich water seeps or flows down the walls or ceiling of a cave and deposits minerals, usually calcite or other carbonate minerals, it forms flowstone. These mineral deposits accumulate in layers over time, forming flowstones including stalactites, stalagmites, and draperies.
Mineral-rich water often contains dissolved calcium carbonate, which precipitates out of the water and forms the solid mineral deposits seen in flowstone. Flowstone is formed over an extended period of time as water gradually deposits minerals layer by layer, creating smooth or wavy structures.
Therefore, the correct option is A.
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The result of groundwater deposition from the options given is A) A flowstone, which forms from the deposition of minerals in a cave environment due to water movement and evaporation.
Explanation:The result of groundwater deposition from the given options is A) A flowstone. A flowstone forms when mineral-rich water flows down the walls or floor of a cave and precipitates out minerals which crystallize and grow over time. This process is part of the broader chemistry of cave formation, where acidic groundwater containing CO2 dissolves limestone (CaCO3), leading to cave development. As water percolates through the cave and evaporates, the equilibrium shifts, and CaCO3 is deposited, creating features like stalactites and stalagmites inside the cave.
Stink holes, karst springs, and caves themselves are not direct results of groundwater deposition, but rather part of the overall karst process, where the dissolution of soluble rocks like limestone creates features in the landscape over time. However, flowstones are specifically created by the depositing action of groundwater that is rich in dissolved minerals.
Two species of frogs mate with each other. The embryo dies after a few cell divisions. What kind of reproductive isolation does this example represent?
A.
temporal isolation
B.
mechanical isolation
C.
postzygotic isolation
D.
gametic isolation
A shark would not be a good index fossil because
A. salt water would degrade the fossil over time.
B. no fossil records exist for sharks.
C. it doesn't have structures that can be preserved in a fossil.
D. the species has survived for too long.
I have to disagree, water-dwelling creatures are often the most well preserved due to the salinity of the water and the thick sediments on the sea floor that bury/fossilize skeletons.
I believe it is D. the species had survived for too long.
Sharks have existed and relatively remained the same for such a long time that shark fossils would not be good indicators of a certain time period.
A shark would not be a good index fossil because the species has survived for too long.
Why shark not be a good index fossil?
A shark would not be a good index fossil because the species has survived for too long. Index fossil are basically used to make study and identify about its nature, geographic periods. The formation of index fossil is made through the preserving animal or plants on the rock record of Earth.
Although the oldest of these shark-like scales is 480 million years old, the oldest complete shark fossil, Cladoselache, is only about 360 million years old. Older but quite incomplete fossil sharks are known, from Canada, around 400 million years old.
This implied that sharks most likely evolved from ancestors that had much more bone in the skeleton. The evolution of modern sharks was driven by their loss of bone, which suggested they are not as primitive as previously thought.
The correct answer is option D.
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which of these factors would limit the population of a species
A. large food supply
B. small number of predators
C. large amount of space
D. substantial amount of predators
Answer:
D. substantial amount of predators
Explanation:
All the other answers would allow the population to have gotten big. i took the test
These factors would limit the population of a species - D. substantial amount of predators.
Limiting factor of populationThe limiting factor is a variable present in the environment that has the capacity to limit or restrict the growth, number of individuals, or distribution of a population in an ecosystem.
The main limiting factors are:
Food - If in an ecosystem enough amount of food supply is not present there will be more competition for food and the population will not grow.Predators - The higher the number of predators of a particular species of prey less will be the population growth.Shelter or space - It is also an important limiting factor as the more space the less competition the more growth.Learn more about limiting factors:
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Select the correct answer.
What does the letter q stand for in the Hardy-Weinberg equation?
QA.
the frequency of the recessive allele in a population
O B.
the frequency of the dominant allele in a population
O c.
the frequency of the heterozygous dominant genotype
OD. the frequency of the homozygous recessive genotype
Reset
Answer: the answer is A
Explanation: It is mentioned int he hardy Weinberg equation.
Final answer:
In the Hardy-Weinberg equation, the letter q represents the frequency of the recessive allele in a population. By counting the homozygous recessive individuals, you can determine q² and then find q by taking the square root.
Explanation:
Understanding the Hardy-Weinberg Equation
In the context of the Hardy-Weinberg equation, the letter q stands for the frequency of the recessive allele in a population. This equation is an essential concept in population genetics and is used to predict allele frequencies in a population that is not evolving.
The Hardy-Weinberg equation is represented as p² + 2pq + q² = 1, where each term corresponds to the frequency of a specific genotype. The variable p represents the frequency of the dominant allele, while q represents the frequency of the recessive allele. If you know the frequency of one allele, you can easily calculate the frequency of the other since p + q = 1.
To calculate q, you can count the number of individuals with the homozygous recessive phenotype (aa) and divide by the total population to get q². Taking the square root of q² gives us q, the frequency of the recessive allele. Then, to find p, you can subtract q from 1 (p = 1 - q).
Sexual reproduction relies on two sex cells uniting in fertilization to form a single cell know as a(n) _______.
Sexual reproduction involves the fusion of haploid gametes through fertilization to create a diploid zygote.
Sexual reproduction relies on the union of two specialized cells, known as gametes, through a process called fertilization to form a single, unique cell known as a zygote. Gametes are haploid cells that contain one set of chromosomes each, while a zygote is a diploid cell with two sets of chromosomes.
What is semen?
a) an exocrine gland near the opening of the urethra
b) the testes located on the outside of the male body
c) a combination of sperm and other reproductive fluids
d) a production of fluid that gives the sperm nourishment
-
Answer: C. a combination of sperm and other reproductive fluids.
Explanation:
i am super confused on this
9. Which term does not describe a type of galaxy?
Spiral
Nebular
Irregular
Elliptical
Answer:
I think that the correct answer is that the nebular galaxy is not a such thing in my opinion so this is why I think that nebular is the correct answer
Explanation:
Answer:
Nebular
Explanation: Galaxy is a system of stellar remnants, stars, dust, gas and dark matter, held together by gravitational attraction. Galaxies are classified as elliptical, spiral or irregular on the basis of visual structure.
Nebula is a part of galaxy where new stars and planetary systems are formed. It is a cloud of dust and gas. It may come from the explosion of dying stars, for example supernova.
What is the role of a mutation in natural selection
If the mutation is beneficial, the mutated organism survives to reproduce, and the mutation gets passed on to its offspring. In this way, natural selection guides the evolutionary process to incorporate only the good mutations into the species, and expunge the bad mutations.
Mutations introduce genetic diversity, and natural selection determines the prevalence of these traits in a population. Beneficial mutations enhance survival and reproduction and therefore tend to increase in frequency, while harmful mutations decrease in frequency or are eliminated.
Role of Mutations in Natural Selection
These changes to an organism's DNA can have various consequences. Some mutations may be neutral, having no apparent effect on the organism's ability to survive and reproduce, while others can be beneficial or harmful. Natural selection acts on these mutations by affecting the reproductive success of the organisms. Mutations that provide some advantage, such as improved speed or better digestion, can increase an organism's chances of survival and reproduction, thereby becoming more common in the population over time. Conversely, deleterious mutations are typically weeded out as those who carry them may be less likely to survive and reproduce. Mutations contribute to genotypic and phenotypic variations within a species, and the nonrandom survival and reproduction of individuals carrying these mutations drive the evolutionary process. Whether a mutation is ultimately considered advantageous, neutral, or deleterious is context-dependent, often influenced by the specific environmental pressures a population faces.
Select the true statement.
RNA is mostly single-stranded; DNA is always double-stranded.
RNA and DNA usually have identical nitrogenous bases.
Several types of DNA help regulate protein synthesis.
Answer:
RNA is mostly single-stranded; DNA is always double-stranded.
Explanation:
DNA stores the genetic information that codes for the way protein should be developed by the cell. Protein determines the trait (phenotype) of the cell/organism. RNA is used as an intermediary between DNA and proteins. RNA is made of ribonucleic acids while DNA is made of deoxyribonucleic acids.