Answer:
A. T and t
B. 25 %
C. 50 %
D. 25 %
E. 75 %
F. 25 %
In the diagram below, three arcs are shown of the sun's path through the sky. Path
A represents the Sun's path in which month of the year for the Northern
Hemisphere? (AKS 6c, DOK 2)
Noon
West
East
June 21st represents the sun in the sky at noon for the northern hemisphere.
Explanation:
The summer is hotter because the sun's part is higher in the sky. This reason makes the days longer and makes summer sun more intense.
The summer solstice for northern hemisphere occurs in june 21. On this day the sun's position at noon is higher in altitude of the year.
In the summer season , The north pole is tilted towards the sun and this causes the sun's part to be higher in the sky causing the northern hemisphere to receive more light and heat.
Can someone please describe the relationship between immunity and vaccines
Answer:
Vaccines stimulate the body's own immune system to protect the person against subsequent infection or disease." ... The immune system develops antibodies to the disease so that it cannot make you sick again. Immunization describes the actual changes your body goes through after receiving a vaccine.
Answer:
immunity means that you can not get a disease and a vaccine means that you will get the disease from getting the shot and it will build up your immune system to be stronger.
Explanation:
The trophic level which includes the greatest amount of available energy is made up of
organisms which-
Z. break down organic matter to release energy.
Y. convert sunlight to chemical energy.
X. hunt animals for their energy needs.
W. receive the energy they need from plants.
Answer:
z
Explanation:
Organisms that convert sunlight to chemical energy, called photoautotrophs, make up the trophic level with the greatest amount of available energy. Energy is lost at each transfer up the food web, so primary producers (photoautotrophs) embody the most energy. Energy transfer efficiency is termed trophic level transfer efficiency.
Explanation:The trophic level with the greatest amount of available energy is made up of organisms that convert sunlight to chemical energy. These organisms are known as photoautotrophs and include plants, algae, and photosynthetic bacteria. They harness the solar energy of the sun by converting it to chemical energy in the form of ATP (and NADP). The energy stored in ATP is used to synthesize complex organic molecules, such as glucose.
Energy flows from the bottom to the top of the food web in an ecosystem, with energy being lost at each transfer. This is why the primary producers (the photoautotrophs) have the most energy available. They form the base of the food web and provide energy to all other trophic levels.
The efficiency of this energy transfer to other trophic levels is termed the trophic level transfer efficiency (TLTE). As per the second law of thermodynamics, large amounts of energy are lost as metabolic heat when organisms from one trophic level consume the next level, reducing the amount of energy available at higher trophic levels.
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Summarize what the researchers did to improve the quality of post mining site soil
Answer:
The researcher centred on the potential uses of biochar, charcoal primarily used for agricultural and to improve the quality of post mining sites.
A method called mountaintop removal was used by mining firms. This means that they remove rock and mineral deposits off the top of the mountain to gain access to within the coal seams. The resulting soil is infertile and strongly acidic. The compacted soil after mine proves harder to bring seed into the soil.
The researchers try to use biochar to help reforest the soil at the post-mining site. Before it was reseeded and replanted, they got permission to add a layer of biochar to a post-mining site. the team created “planting cells” of biochar‐enhanced soil on the post‐mining site and that showed improvment in the sapling growth.
Final answer:
Researchers improve post-mining site soil by ensuring safety, removing pollutants, restoring biodiversity, and rehabilitating waterways. They analyze soil content, address specific soil stress factors, and use soil laboratory analysis for making input recommendations. Encouraging mining companies to restore old sites involves creative and incentivizing strategies.
Explanation:
Improving Post-Mining Site Soil Quality
Researchers have approached the rehabilitation of post-mining sites with comprehensive strategies to improve soil quality and restore ecosystem functions. They ensure the site is safe and stable, remove pollutants that contaminate the site, aim to restore biodiversity similar to conditions before mining, and rehabilitate waterways to their previous state. In-situ moisture content and in-situ density of soil are analyzed to assess field conditions effectively. To address aluminum stress on acid soils, which is detrimental to agriculture, researchers seek scientific foundations for innovative strategies. Assessment of site quality often involves examining site variables like soil composition and correlating them with plant growth, though this process can be expensive and labor-intensive. Methods such as wetland creation, revegetation, and agroforestry are employed to prevent flooding, soil erosion, increase grass production, and improve overall soil health. Soil input recommendations are carefully crafted based on soil laboratory analysis, helping to manage the dynamic and complex soil systems in an efficient way.
Encouraging mining companies to proactively rehabilitate old sites might involve creative ideas like implementing incentives, showcasing successful rehabilitation case studies as models, and developing partnerships that align the companies' interests with environmental stewardship. Researchers stress the importance of understanding the dynamic and holistic nature of soil systems to effectively target interventions for yielding substantive improvements in soil quality and ecosystem recovery on post-mining sites.
Mistletoe seeds stick to bark When the seed germinates, a root-like part digs through the bark into the sap-filled living wood of.
sap Mistletoe slows the growth of trees and, in large numbers, may
kill the tree. Which of the following best explains the relationship between trees and mistletoe?
A. Mistletoe is a predator that lives on trees by consuming them for food
B. Mistletoe is a parasite that lives on trees by taking some of the trees' food and water
C.
Trees provide shelter for mistletoe, and mistletoe provides food for the trees
D.
Trees provide shelter for mistletoe, and mistletoe helps the trees reproduce
Final answer:
Mistletoe is a parasite to trees, as it attaches to them and extracts nutrients and water, which can hinder the tree's growth and potentially lead to its death without offering any advantages to the tree.
Explanation:
The relationship between trees and mistletoe can best be explained as a parasitic one. Mistletoe seeds adhere to the bark of a tree and, upon germination, send root-like structures into the sap-filled living wood to draw out the tree's nutrients and water for its own growth. This can lead to the slowing of the tree's growth and potentially its death if infestation is extensive.
Parasitic relations are defined by one organism benefiting at the expense of another, which is the case with mistletoe and trees. Unlike other plant relationships where there may be mutual benefits, mistletoe does not provide any known advantage to the trees it infests. Therefore, the correct answer to the student's question is B. Mistletoe is a parasite that lives on trees by taking some of the trees' food and water.
PLEASE ANSWER ASAP
A scientist is studying the human population of Country X. To predict the future growth rate of the population, which three statistics about the population of Country X would be most useful for the scientist to analyze? Select three answer choices.
A. birthrate
B. death rate
C. population distribution
D. population density
E. age structure
Answer:
A, B, E (?)
Explanation:
birthrate adds to population. death rate takes away numbers from population. age structure sounds similar to a age/population pyramid uses the number of people in total and separates it by age, gender and population within each of those subsections. population pyramids also change as generations age so it helps predict future baby populations.
hope this helps
The 3 statistics about a country that would be most useful to predict the future growth rate of the population of the country would be the birth rate, the death rate, and the age structure of the population.
The birth rate refers to the rate at which new individuals are being given birth to in the population while the death rate refers to the rate at which people die off the population.
Other things being equal, a population will increase if birth is more than death rate and decrease if death is more than birth.
The age structure of a population can also give an insight into what the future birth and death rates would look like. A country dominated by youth will likely have more future births than death while a country dominated by old people will likely experience more deaths than births in the future.
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What factors influence the growth of organisms and their ability to reproduce?
Answer:
How do environmental and genetic factors influence the growth of organisms? Genetic factors as well as local conditions affect the growth of organisms. − A variety of local environmental conditions affect the growth of organisms. Genetic factors affect the growth of organisms (plant and animal).
Explanation:
What are domains in biology?
internet website classification system
highest ranking of organisms in taxonomy
classification under which most dominant animals fall
What are domains in biology?
internet website classification system <<
highest ranking of organisms in taxonomy
classification under which most dominant animals fall
Algae are small photosynthetic organisms found in aquatic ecosystems. As algae grow, they produce and store a carbon-rich oil in their cells. Up to 40% of their body mass can be taken up by oil. Scientists discovered a way to extract the oil to create algae fuel, a biofuel that can be used in place of fossil fuels. Scientists expected that algae would be able to produce up to 60 times more oil per acre than plants, like corn, that are commonly used to produce biofuel.
To commercially produce algae oil, very large ponds for algae growth were constructed. However, scientists soon made two discoveries.
As the algae grew on the ponds, they crowded and shaded one another.
Many insects and other consumers frequently entered the ponds.
Why would these be a problem for algae oil production?
A.
Consumers feed on algae, so they cause the energy stored in algae oil to be permanently lost from the environment.
B.
Shading reduces access to sunlight, so algae produce fewer sugars and are less able to store energy in the oil.
C.
Insects feed on algae, so they cause all of the energy stored in algae oil to be converted back into light energy.
D.
Crowding reduces access to food, so it makes algae less able to take in the sugars needed to produce oil.
Answer:
B
Explanation:
Let's try to eliminate answer choices.
A) "Consumers feed on algae, so they cause the energy stored in algae oil to be permanently lost from the environment." The incorrect part here is that it says the energy is "permanently lost from the environment", but this is not true. All energy is constantly being recycled and by the Law of Conservation of Energy, energy cannot be destroyed or "lost".
B) "Shading reduces access to sunlight, so algae produce fewer sugars and are less able to store energy in the oil." This is correct.
C) "Insects feed on algae, so they cause all of the energy stored in algae oil to be converted back into light energy." This is incorrect because it says that all the energy is converted back into light energy. However, if insects eat the algae, it's not possible for that energy to become light energy; light energy can only come from the sun.
D) "Crowding reduces access to food, so it makes algae less able to take in the sugars needed to produce oil." This is incorrect because the algae doesn't take in sugar; it produces the sugar.
Thus, the answer is B.
Hope this helps!
Answer:
b
Explanation:
yo
Using both maps, what can you tell about the regions in Washington that get the most or the least amount of rain?
Answer:
In the Precipitation Map of Washington, the dark orange section indicates low rainfall in the region. Using the Shaded Relief Map of Washington, you can tell that this area is flat, possibly a plain. These regions typically don't receive a lot of rain. The Precipitation Map of Washington has areas that are dark purple and dark green. This indicates that they both receive a lot of rainfall every year. If you look at these areas on the Shaded Relief Map of Washington, you can tell that these areas with a lot of rainfall are mountainous.
On the Precipitation Map of Washington, purple/blue means more rain, and orange/red means less rain. The Shaded Relief Map of Washington shows mountains (brown), valleys, plateaus, and canyons. Areas that are flat are smooth on the map. Areas with steep slopes and mountains look rougher.
Explanation:
Answer:
Hide Feedback
In the Precipitation Map of Washington, the dark orange section indicates low rainfall in the region. Using the Shaded Relief Map of Washington, you can tell that this area is flat, possibly a plain. These regions typically don't receive a lot of rain. The Precipitation Map of Washington has areas that are dark purple and dark green. This indicates that they both receive a lot of rainfall every year. If you look at these areas on the Shaded Relief Map of Washington, you can tell that these areas with a lot of rainfall are mountainous.
On the Precipitation Map of Washington, purple/blue means more rain, and orange/red means less rain. The Shaded Relief Map of Washington shows mountains (brown), valleys, plateaus, and canyons. Areas that are flat are smooth on the map. Areas with steep slopes and mountains look rougher.
Explanation:
The
cells provide a means of acquiring nutrients in the brain.
a. Astrocyte
b. Microglia
c. Ependymal
d. Oligodendrocyte
Answer:
Your answer is a
Explanation:
Astrocyte
Which of the following statements are true of muscle diseases? Select all that apply.
Polio is caused by an infection.
Cancer in muscle is quite rare.
Polio is caused by lack of vitamins,
Muscle diseases are always congenital.
Too much calcium in the blood can lead to muscle calcification,
Answer:
A, B, E
Explanation:
Cause it is trust me
Answer:
Polio is caused by an infection.
Cancer in muscle is quite rare.
Too much calcium in the blood can lead to muscle calcification.
Explanation:
The type of cell division that produces body cells?
mitosis or meiosis
Answer:
Meiosis
(I'm pretty sure)
Answer:
Meiosis
Explanation:
If our muscles didn’t generate opposing forces, in what specific ways would that limit us?
If muscles did not generate opposing forces, then the contraction and relaxation of muscles leading to movement will be limited.
Explanation:
Basically skeletal muscles work in pairs of agonist and antagonist muscles which work together but with opposing forces to contract and relax respectively. These opposing forces help to facilitate movement. Like in a bicep curl, the biceps work as agonist and triceps work as antagonist. The muscular strength is the force that acts against the opposing force of muscles. This strength is regardless of age, sex, weight or size of an individual.
If our muscles do not generate opposing forces, we would not be able to move.
A muscle refers to the tissue of the body that is important as a source of power. It's also responsible for movement. It's also vital for balance and posture.
The muscular system is vital for generating heat, urination, vision, posture, digestion, and movement. If our muscles do not generate opposing forces, we would not be able to move.
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help if good at earth science/ space pls!!
1.) Which proportion of the universe's galaxies can be seen from Earth?(1 point)
a, approximately 10 percent
b, nearly half
c, approximately 25 percent
d, far less than 1 percent
2.) The model of galaxy formation in which sections of gas clouds collapse into small pieces which repeatedly combine into larger pieces under the influence of gravity is called the ____ model or the ____ model?
3.) Why are most stars not destroyed in a galaxy collision?(1 point)
a) Galaxies are mostly empty space.
b) Galaxies don't have stars.
c) Galaxies move too slowly for that type of damage.
d) Gravity keeps them away from each other.
4.) The universe's galaxies have evolved since what point in time?(1 point)
a) 800 million years ago, when gas concentrations were optimal for galaxy formation
b) 13.8 billion years ago, right after the universe first formed
c) approximately 50 million years ago, after initial clumps of material were formed
d) 23.4 billion years ago, when the universe first formed
Answer:
1. The universe's galaxies have evolved since what point in time?
2. Which proportion of the universe's galaxies can be seen from Earth?
3. Which was used to create the first image of a black hole?
4. Which of these describes a nebula?
5. Why are most stars not destroyed in a galaxy collision?
6. What do supernova remnant and planetary nebulae have in common? Select the three correct answers.
7. Which of the following is an accurate description of cosmic microwave background (CMB) radiation? Select the two correct answers.
8. Select the correct answers from the list.
The model of galaxy formation in which sections of gas clouds collapse into small pieces which repeatedly combine into larger pieces under the influence of gravity is called the ____ model or the ____ model.
9. Drag and drop the words into the correct locations. Answers may be used once, more than once, or not at all.
Galaxies can be grouped by the age of the stars they tend to contain, with ____ galaxies having the youngest stars and ____ galaxies having the oldest stars.
10. Which event triggers the start of black hole formation?
Explanation:
1. 13.8 billion years ago, right after the universe first formed
2. far less than 1 percent
3. radio waves from matter at the edge of the black hole
4. cloud of gas and dust
5. Galaxies are mostly empty space.
6. They emit non-visible radiation.
They are composed of matter from dying stars.
They contribute matter to interstellar space.
7. CMB is uniformly distributed and of a uniform temperature across the universe.
CMB is remnant radiation from the Big Bang.
8. inside-out / bottom-up
9. irregular / elliptical
10. A massive star depletes its stores of hydrogen and helium
Humans have a significant impact on the amount of biodiversity on Earth.
True False
of the 8 characteristies of life (RAREHOCO), which characteristics do
viruses have that a person might use to argue in favor of considering
viruses are living?
Material (Nucleic Acids), Reproduce
Adapt, have Genodo Material (N
Reproduce, made of cells, ose and make Energy able to grow and develop
Adapt, have Genetic Material (Nucleic Acide), Organized (made of cells, use and
make Energy
O
Reproduce, have Genetic Material (Nucleic Acids) and Adapt
Acid) and Adapt
Which of the following best describes a living cell? Check all that apply
Virus are living because they:
Reproduce, have Genetic Material (Nucleic Acids) and Adapt
.
Explanation:
Virus have genes or genetic material which are layered in a capsid or protein coat and sometimes a lipid bilayer.
It is not made up of cells yet can be considered a living organism because of the genetic material RNA or DNA in it.
The infect the host and take over host replication machinery and replicates itself. Although it is not able to replicate outside the living body.
They adapt to the host's body environment as many adaptation are present in it as capsid layer which protects its genetic material from getting degrade till the time it reaches nucleus of the cell.
There are 7 point criteria for an organism to be living, virus fulfils some of it except having made up of cells and having cellular organization.
In the chemical formula H2O , which description explains what the 2 represents
A.The number of oxygen atoms
B.the number of hydrogen atoms
C.the number of water molecules
D.the electrical charge on the water molecules
Hi there!
In the chemical formula H2O, the 2 stands for the number of hydrogen atoms. There are two hydrogen atoms and one oxygen atom in this formula. Therefore, the answer is B!
I really hope this helps!!!
PS. May I please have brainliest?
Write 3-5 sentences based on your knowledge of moon phases.
Energy resources, the ease of attaining them, and the methods in which they are used, directly relate to economic growth of a country
as well the overall many other aspects of life within that country. All but one is directly related to energy and sustainable
development. That is
A) Family size
B) Per capita income
C) The health of the citizens
D) Availability of clean water
Answer: A. Family size
Explanation:
I just got the shÎt wrong for you .
Family size is not directly related to energy and sustainable development, while per capita income, citizen health, and clean water access are. Economic well-being often coincides with higher energy usage, and sustainability requires balancing energy development with environmental protection.
The aspects of life within a country that are directly related to energy and sustainable development include per capita income, the health of the citizens, and availability of clean water. However, family size is not directly related to energy and sustainable development. Economic well-being is highly dependent on energy use, with most countries displaying a correlation between higher standards of living, measured by GDP per capita, and higher levels of energy consumption per capita. This relationship indicates that access to sufficient and reliable energy resources is crucial for economic growth and maintaining the quality of life.
The world faces a challenge in balancing the development of energy resources against the environmental impact caused by their extraction and use. Increasing the efficiency of energy use can change the dependency on high levels of consumption. It's also important to consider transitioning to renewable energy sources to ensure a sustainable future.
In Mendel's Pea Plant Experiment, the color of the seed is an example of
A. a trait
B. recessive
C.an allele
In Mendel's Pea Plant Experiment, the color of the seed is an example of a trait.
What do you mean by trait?A trait is a specific characteristic of an individual. Traits can be determined by genes, environmental factors or by a combination of both. Traits can be qualitative (such as eye color) or quantitative (such as height or blood pressure).
Biological traits describe species' physiology, morphology, life history, and behavior, capturing both inter-specific interactions and the connections between species and their environment.
A trait is an unconditional constant that is inherited at the time of birth, whereas a character is a wide fundamental unit used to characterise various qualities presented by a set of organisms.
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the likelihood of a specific outcome in relation to the total number of possible outcomes
Answer:
probability ?
Explanation:
Answer:
i dont get the question
Explanation:
A ________ is all the individuals of the same species that live together in a specific area.
Answer:population
Explanation:
Answer:
population
Explanation:
These are the levels of ecological organization ( from smallest to largest): organisms, populations communities, ecosystem, and biopshere.
Organisms: This level is a single organism from a species.
Population: This level is all the organisms of the same species that love in the same area at the same time
Community: This level is all the populations of different species that live in a certain area.
Ecosystem: This level is the community and all the abiotic factors that influence that community
Biosphere: This is level is Earth.
Feedback always occurs when
A.
the input of a system comes back to influence the output of and processes involved in that system.
B.
the output of a system comes back to influence the subsequent functioning of that system.
C.
no new raw materials are added to the system.
D.
no products or wastes are formed by the system.
Answer:
the output of a system come s back to influence the subsequent functioning of that system.
Answer:
B
Explanation:
In which aquatic ecosystem would this tree most likely
be found?
a stream or river
a pond or lake
a wetland
a coral reef
Done
Bald cypress is most likely to found in wetland. Thus, option C is correct.
What is wetland?The area of the land which is either covered by water or saturated by water is called as wetland. A major factor that distinguishes wetlands from terrestrial landforms and bodies of water is the characteristic vegetation of aquatic plants adapted to unique anoxic, water-bearing soils.
Wetlands are considered to be among the most biologically diverse of all ecosystems, and are home to a wide variety of species of plants and animals. Methods to assess wetland function, wetland ecosystem health and wetland overall condition have been developed in many parts of the world.
Bald cypress is an example of a tree adapted to growing in wetlands, but gum, willow, alder, and maple are also commonly found. Tropical wetlands have many types of trees, which also includes palm trees. Therefore option C is correct.
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development:
a. happens from birth to about age 18.
b. (CORRECT) is lifelong.
c. stops in adulthood.
d. is static.
Answer:
So the answer would be B- is lifelong?
Explanation:
thanks. i owe u 1
Energy is converted from solar to chemical in Process A and then from one form of chemical to another in Process B.
Which is described by Process A?
1. energy conservation
2. photosynthesis
3. cellular respiration
4. Krebs cycle
Answer:
B
Explanation:
Identify which type of natural selection is described in each case below.
Results in the evolution of the species:
Results in new species:
Favors traits at the two extremes:
No increase in diversity
One extreme traitis favored:
Diversity decreases
Diversity increases:
The type of natural selection that is generally described in each case is as follows:
Results in the evolution of the species: Directional selection. Results in new species: Disruptive selection. Favors traits at the two extremes: Disruptive selection. No increase in diversity: Directional selection. One extreme trait is favored: Directional selection. Diversity decreases: Stabilizing selection. Diversity increases: Disruptive selection. What do you mean by Natural selection?Natural selection may be defined as a type of strategy in nature through which organisms that are better adapted to their environment tend to survive and reproduce more than those less adapted to their environment.
There are different types of natural selection that exist in nature. It includes stabilizing selection, directional selection, disruptive selection, and balancing selection.
In stabilizing selection, intermediates are more favored while both extremes are less favored. Human body weight and sickle cell anemia are examples of this type of natural selection.
Therefore, the type of natural selection that is generally described in each case is well mentioned above.
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Directional selection leads to evolution within a species, diversifying/disruptive selection can lead to new species, and stabilizing selection decreases diversity by favoring average phenotypes.
Explanation:The question pertains to different types of natural selection and their impact on species diversity and evolution. Here are the types of natural selection that correspond to each description:
Results in the evolution of the species: Directional selectionResults in new species: Diversifying selection or disruptive selectionFavors traits at the two extremes: Disruptive selectionNo increase in diversity: Stabilizing selectionOne extreme trait is favored: Directional selectionDiversity decreases: Stabilizing selection tends to decrease diversity by selecting against extreme variants.Diversity increases: Disruptive selection or diversifying selection increases diversity by favoring multiple extreme traits.Each type of selection has different impacts on a population's phenotype distribution. Stabilizing selection favors the average phenotype and usually reduces diversity. Directional selection favors one extreme phenotype, driving evolutionary change. Lastly, disruptive or diversifying selection increases genetic variance by favoring multiple extreme phenotypes.
Why are viruses not considered to be living organisms?
Answer:
Cant reproduce
Explanation: Viruses cant reproduce by themselves they need a host cell that they take control of which provided all of the essential functions a living oraganism would provide in order to make more copies of itself hope this helps god bless
Answer:
they are acelluar
Explanation:
Viruses, like bacteria, are microscopic and cause human diseases. But unlike bacteria, viruses are acellular particles (meaning they aren't made up of living cells like plants and animals are), consisting instead of a central core of either DNA or RNA surrounded by a coating of protein.
Viruses also lack the properties of living things: They have no energy metabolism, they do not grow, they produce no waste products, and they do not respond to stimuli. They also don't reproduce independently but must replicate by invading living cells.
What is a homologous structure?
A. A structure that only exist in the embryo
B. A structure that has no use in the organism
C. A structure with similar shape but a different use
D. A structure that is only in index fossils
Answer:
c.
Explanation:
The definition of a homologous structure is an organ or body part that appears in different animals and is similar in structure and location, but doesn't necessarily share the same purpose. An example of a homologous structure is the human arm as compared to the wing on a bird.
looked it up hope it helps
Answer: Just answered
Explanation: