Answer:
a
Explanation:
The EPA has improved air quality over the last 30 years by setting and enforcing regulations, monitoring pollutants, and encouraging the reduction of fossil fuel use.
Explanation:The Environmental Protection Agency (EPA) has been instrumental in improving air quality over the last 30 years. Key methods employed by the EPA include setting and enforcing regulations aimed at controlling air pollution, monitoring pollutants and the implementation of policies to promote cleaner energy sources. It has also encouraged the reduction of fossil fuel use in motor vehicles and industry through regulations and incentives.
Through the Clean Air Act, the EPA has set standards that have decreased dangerous pollutants and thereby improved health outcomes for many people. Additionally, they launched programs like the Acid Rain Program and actions to reduce interstate air pollution.
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The width of the pyramid at each trophic level represents the number of organisms at that level. True or False?
Which type of organism undergoes the process of photosynthesis?
A. Secondary Conusmer
B. Consumers
C. Producers
D. Decomposer
Answer:
C producers
Explanation:
Producers include plants and plants undergo photosynthesis
Correct option is C. Producers are organisms that undergo photosynthesis, which include plants, algae, and some bacteria, converting light energy into chemical energy and forming the base of the food chain.
The type of organism that undergoes the process of photosynthesis is classified as a producer. Producers are organisms such as plants, algae, and certain bacteria that are capable of converting light energy into chemical energy through the process of photosynthesis.
They form the base of the ecological food chain and are critical for providing the energy that sustains all other forms of life. Consumers, on the other hand, such as animals, fungi, and various microorganisms, depend on producers for their energy, whether directly by consuming the producers themselves or indirectly by consuming other consumers that have fed on producers. Decomposers, including fungi and certain bacteria, break down dead organisms and recycle their nutrients back into the ecosystem.
Describe the rock cycle and how the rocks change over time.
Answer: i hope this helps
Explanation:
Simply put, weathering is a process of breaking down rocks into smaller and smaller particles without any transporting agents at play.
1. Erosion and Transport.
2. Deposition of Sediment.
3. Burial and Compaction.
4. Crystallization of Magma.
5. Melting.
6. Uplift.
7. Deformation and Metamorphism.
there are some tissues in plant that __________ throughout their life.
Answer:
There are some tissues in plants that divide throughout their life.
Explanation:
These tissues are localized in certain regions. Based on the dividing capacity of the tissues, various plant tissues can be classified as growing or meristematic tissue and permanent tissue .
Answer:
There are some tissues in plants that divide throughout their life.
Explanation:
picking one trait in humans you think might be selected FOR in our modern day environment. Explain your claim using supportive evidence (reasons)
Answer:
Beauty
Explanation:
These days, for better or worse, people seem to be valuing beauty, which is an impractical asset. In society, those with good looks are sometimes advantaged even over those who are physically or mentally advantaged.
The ability to adapt to technological advancements is a trait in humans that might be selected for in our modern-day environment due to the numerous advantages it provides for survival and success.
Explanation:In our modern-day environment, one trait in humans that might be selected for is the ability to adapt to technological advancements. Technological advancements are rapidly changing our environment, and individuals who can easily adapt and utilize these advancements have a greater chance of survival and success. For example, individuals who are proficient in using computers and technology have an advantage in many workplaces and can access a wide range of resources and information.
This trait is supported by the concept of natural selection, which states that individuals most adapted to their environment are more likely to survive and pass their traits to the next generation. Technological adaptability can provide numerous advantages, such as improving communication, problem-solving skills, and access to resources necessary for survival and success in our modern society.
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Which statement BEST describes how mutations are related to evolution?
There is not a strong relationship between mutations and evolution
Natural selection causes evolution, which causes more mutations to appear
in the DNA of the species.
Mutations are changes in DNA that produce weaker organisms that die, so
these are eliminated by evolution.
Mutations lead to new genes, which may have an advantage over the old
forms, causing the species to evolve
Answer:
Mutations are changes in DNA that produce weaker organisms that die, so
these are eliminated by evolution.
Explanation:
Answer:
D) Mutations lead to new genes, which may have an advantage over the old forms, causing the species to evolve.
Explanation:
I took the usatestprep!
Please help!!,!
why is a human urinary system not able to handle hibernation?
Answer:
Human urinary system is not able to handle hibernation because kidneys of human continuously removes waste products in the form of urine.
Explanation:
Hibernation did not occur in human being. It is mostly occurs in animals such as bear. During hibernation period of bear, no urine is produce by the kidneys of bear but human lack this property. Human urinary system is not able to handle hibernation because human has no ability or presence of such type of mechanism due to which human go into hibernation and also prevents the production of urine just like bears.
Answer:
because people cant hold it in for that long
hey it me yader
Explanation:
The image below shows a convergent plate boundary.
Based on the image, which of the following would most likely form at point X as a result of the converging plates?
A.
deltas
B.
mid-ocean ridges
C.
volcanoes
D.
marshes
Answer:
volcanoes
Explanation:
Greater earthquakes and increased volcanic activity are frequently linked to convergent borders, hence option C is correct.
What is a convergent plate boundary?The subducted plate eventually becomes partially melted and molten whenever a subduction zone arises. A chain of volcanoes frequently forms parallel to convergent plate borders, and strong earthquakes are frequent along these boundaries.
The Himalayas are being created as a result of the Indian Plate and Eurasian Plate colliding.
The Aleutian Islands are the result of the subduction of the northern portion of the Pacific Plate and the NW North American Plate.
Therefore, the oceanic crust is frequently pushed down into the mantle where it starts to melt along convergent plate boundaries, hence option C is correct.
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Which lobe of the brain is generally associated with vision? A) frontal B) occipital C) parietal D) temporal
Answer:
B occipital lobe of the brain is generally accociated with vision.
Answer:
occipital
Explanation:
Which statement describes a similarity between asexual reproduction and sexual reproduction?
Both processes involve fertilization
Both processes involve cell division
Both processes produce genetically identical offspring.
Both processes require two parents.
Both processes involve cell division
I just need help to identify these leaves thank you
Answer:
where r the leaves
Explanation:
The fetal skeletal is made of cartilage and eventually turns to bone in a process called ossification. Given what you know about bone cells, how do you think this occurs?
Answer:
Explanation:
Based on what is known about the fetal skeleton and the ossification process it can be said that this occurs due to babies having more of the osteoblasts bone cells. These cell's main function is to lay down new bone material, this therefore creates a thicker harder bone which allows for proper support so that the body can continue growing and become stronger overall.
Ossification is the process by which cartilage turns into bone. Osteoblasts play a key role in this process by secreting proteins that form the bone tissue framework. Mineral salts are then deposited on this framework, resulting in the formation of mature bone.
Explanation:
The process of the fetal skeletal system transitioning from cartilage to bone involves a physiological process known as ossification. In the early stages of fetal development, the skeleton is primarily made of flexible cartilage. However, as the fetus grows, most of this cartilage is replaced with bone. This change is facilitated through bone cells known as osteoblasts and osteoclasts. Osteoblasts are the cells responsible for bone formation. They produce a matrix that then becomes mineralized, creating new bone. On the other hand, osteoclasts are cells that break down bone tissue, which aids in the remodeling of bones as well as in the release of the minerals from the bone into the bloodstream. This ongoing process of building up and breaking down tissue, replacing cartilage with hardened bone tissue, is known as ossification.
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Scientists use homologous structures to identify evolutionary relationships. Which is an example of homologous structures?
a) the front legs of a horse and the wings of a bat
b) the front legs of a horse and the back legs of a zebra
c) the wings of a dragonfly and the wings of a bat
d) the hip and shoulder bones of snakes
Answer:
C
Explanation:
Homologous structures compare the same anatomical features in different species. C is correct because it compares the same trait (wings) in different species (dragonfly vs. bat)
The example of homologous structures are the wings of a dragonfly and the wings of a bat. Details about homologous structures can be found below.
What are homologous structures?Homologous structures are structures that corresponding to a similar structure in another life form with a common evolutionary origin.
According to this question, scientists use homologous structures to identify evolutionary relationships between organisms.
Homologous structures must be of the same body part in different organisms.
Therefore, the example of homologous structures are the wings of a dragonfly and the wings of a bat.
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Which was an advantage for the South at the start of the Civil War?
A) a smaller population
B) an industrial economy
C) a well-ed army
Answer:
C) a well-ed army.
Explanation:
They had better generals and soldiers. They were also fighting a defensive war.
What would MOST LIKELY happen to the black swallowtail butterfly if these plants continue to decrease?
Answer:Limiting factor is a factor which can limit the abundance, distribution of the species in an ecosystem this can be a resource, predator or natural disaster. The black swallowtail butterfly feeds on endangered plant named Candy's dropwort. If the plants continue to decrease the population of black swallowtail butterly will also decrease as decrease in the plant population will act as a limiting factor for the growth of butterfly population.
Explanation:
Estrogen, progesterone, LH, and FSH are chemicals produced by the body that are important to a woman’s fertility. What organ system works most closely with with the reproductive system to monitor a woman’s menstrual cycle?
A.endocrine system
B.nervous system
C.integumentary system
D.muscular system
Answer: A: Endocrine system
Explanation:
plssss plsss help, this is like the simplest of the simplest no cap
Answer:
C
Explanation:
The reason being is that plants take in carbon dioxide, and exhale oxygen, humans and flatworms inhale oxygen, and breathe out carbon dioxide.
plant structure that absorbs water/nutrients and anchors the plant in the soil ?
Answer:
Plants absorb nutrients and water and and is anchored through their roots
Explanation:
The roots absorb water and minerals from the soil and anchor the plant in the ground. The stem supports the plant above ground, and carries the water and minerals to the leaves. The leaves collect energy from the Sun and make food for the plant, using an amazing process called photosynthesis.
Answer: Roots
Explanation:
The plants when you give them water the roots absorbs the water
hope this helps
The population of birds increases during the month of October because of migration during such conclusions is an example of
Answer:Survival.
Explanation
Birds migration is the periodic movement of birds from location to another this is done to secure a good environment condition. Not all birds migrate and their migration is subject to a particular time.
For latitudinal migration, birds moves away from tropic during raining season to a dry place and then returns when the environment is dry.
October is a dry season and migration will favor birds who can do well in the absence of rain hence the increase in population. This is done for Survival.
Is the correct answer A or D ? Help !
I think its D if Im correct
Answer:
D?
Explanation:
You didn't include the graph...However CO2 is produced through photosynthesis which turns light energy and CO2 into Oxygen. If the CO2 levels are going down on the graph that means the answer should be D because the light being on promotes additional photosynthesis
he picture represents the respiratory system.
Which structure is represented by the X?
the pharynx
the larynx
the trachea
the bronchus
Answer:
The Answer is trachea
The graphic organizer above shows the levels of organization described in paragraph 2. Based on the passage, which label goes in box (2)?
A.Organism
B.Organ
C.Organ System
D.Tissue
Considering the hierarchical level of complexity, bix (2) would be organ.
Level of complexity of living organismsThe level of complexity of living organisms follows the order: cell, tissue, organ, organ system, organism.
The order is from the simplest to the most complex with the cell being the most basic unit of all living organisms.
Thus, starting from the simplest, what should be in box (2) will be organ.
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Organ System goes in box (2). Hence the correct option is c.
The graphic organizer mentioned likely describes the hierarchical levels of biological organization, with box (2) corresponding to "Organ." In the context of biological organization, an organ is a higher level of structure composed of different tissues working together to perform specific functions.
This level typically represents a more complex structure than individual tissues but is still part of the larger framework that includes organisms, organ systems, and tissues. The placement of "Organ" in box (2) suggests that the graphic organizer is illustrating the progression from individual tissues to higher-order structures, providing a visual representation of the hierarchical organization within living organisms.
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The skin, tears, and stomach acid are part of the body's first line of defense against infection. How do scientists classify these defenses?
A. as specific defenses, because they respond to specific physical or chemical properties of pathogens
B. as weak defenses, because they stop only a small percentage of pathogens that threaten the body
C. as nonspecific defenses, because they bar or stop infections without discriminating pathogens from other agents
D. as barrier defenses, because they act like a wall to stop pathogens from invading
Answer:
C. as nonspecific defenses, because they bar or stop infections without discriminating pathogens from other agents
Explanation:
The skin, tears and stomach acid are nonspecific defenses and they are some of the examples of the body's first line of defense. Nonspecific defenses are made up of interferons, chemical barriers (e.g. tears and stomach acid), inflammation and physical barrier (e.g. skin).
These nonspecific defenses defend the body from pathogens through their chemical contents in the body fluid or the tissue.
For example, Stomach acid is made of hydrochloric acid (HCl), HCl is potent enough to destroy pathogens that make its way into the stomach through food; this kind of barrier is a chemical barrier.
So also, the skin is a physical barrier which serve as a defense against pathogens.
Answer:
C. as nonspecific defenses, because they bar or stop infections without discriminating pathogens from other agents
Explanation:
During the process of photosynthesis, green plants produce?
A- Sunlight
B- Nitrogen
C- Carbon dioxide
D- Glucose
Answer:Sugar or glucose
Explanation:
Cinsidering definition of photosynthesis, the correct answer is option D. During the process of photosynthesis, green plants produce glucose.
Definition of photosynthesisPhotosynthesis is a metabolic process carried out by certain cells of autotrophic organisms, that is, those that have the capacity to make their own food, such as plants.
Photosynthesis can be expressed by:
6 H₂O + 6 CO₂ + ligth → C₆H₁₂O₆ + 6 O₂
This implies that to carry out photosynthesis, water (absorbed from the soil through the roots), carbon dioxide and light energy are necessary. Thanks to the chloroplasts, these ingredients are eventually transformed into glucose and oxygen, which is expelled into the atmosphere, while the glucose is used to provide the plant with energy and produce various compounds.
Summary of the process of photosyntesisFinally, sunlight, carbon dioxide and water are needed for the photosyntesis, while glucose is produced and oxygen is released to the environment.
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How many molecules of ATP are made from
breaking down a molecule of glucose?
Answer:
2 ATP
Explanation:
Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules
Answer:
This Answer Up Here ^ Is Correct
Explanation:
5. Puerto Rico is surrounded by the waters of the Caribbean Sea.
It is winter in Puerto Rico. Compare the air temperatures beachgoers feel near the water
to beachgoers who are still near their hotel room 25 miles away?
Answer:
Large amounts of water do have a big impact on the weather: indeed, it takes less energy to warm/cool land than water.
Therefore, places near large amounts of water tend to have smaller differences in temperature between summer and winter than places far from waters.
Hence, during winter in Puerto Rico, alongside the coast, the temperature will be higher than in the innermost parts of the island.
Explanation:
the following is a specific immune response to the human immune system?
A. fever
B. inflammation
C. mucus
D. antibodies
Answer:
Antibodies
Explanation:
Specific immune responses are triggered by 'antigens'. Antigens are found on the surface of a pathogen and is used to identify a specific pathogen. Antigens trigger the immune system to release cells that attach themselves to Antigens in order to kill off pathogens. These cells attack Pathogens using antibodies
Which of these sentences describes a benefit of fracking? A. Fracking provides jobs for people at well sites in the United States. B. Fracking in the United States can harm the economy of other countries with oil C. Fracking chemicals can pollute local water supplies D. Fracking uses about two million gallons of water per well.
The statement fracking provides jobs for people at well sites in the United States describes a benefit of fracking.
Fracking is a well stimulation method in which a pressurized liquid fractures bedrock formations. The "fracking fluid" is injected into a wellbore at high pressure to create cracks in the deep rock formations that allow natural gas, petroleum, and brine to flow more freely.
Fracking, or hydraulic fracturing, is a method for extracting gas and oil from shale rock. It involves drilling into the ground and targeting a rock layer with a high-pressure mixture of water, sand.
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Option A: Fracking provides jobs for people at well sites in the United States, is the correct answer that describes a benefit of fracking. It highlights the economic benefits, including job creation and contributions to economic growth, despite the environmental risks involved.
Explanation:The question asks which of the provided sentences describes a benefit of fracking. Here, Option A: Fracking provides jobs for people at well sites in the United States is the correct choice as it highlights a key advantage of fracking. Fracking has been a contentious issue due to its environmental impacts, but it cannot be denied that it has significant economic benefits, including job creation and contributions to economic growth. Supporters of fracking argue that it reduces unemployment by creating jobs not just at well sites but also in industries that support oil and gas extraction operations. Moreover, it allows energy companies access to previously nonviable and completely untapped oil and gas reserves, thereby boosting domestic oil production and lowering energy costs.
While fracking indeed comes with environmental risks, such as the potential contamination of local water supplies and the production of low-emission industrial energy, these factors do not pertain to the benefits posed by the question. Hence, understanding the broader economic and job-related benefits of fracking provides a nuanced view of its role in energy production and employment.
Which statement accurately describes global warming?
A.Global warming occurs only naturally on Earth.
B.Global warming occurs only when humans burn fossil fuels.
C.Global warming occurs naturally on Earth and is enhanced by human activities.
The right answer is c i took the test!
Answer:
Explanation:
C
Answer:
c
Explanation:
Suppose an anesthetic enters a capillary below the skin and continues its journey through structures of the circulatory system. ? Along what sequence of structures does the anesthetic continue its journey? A. Vein, artery, heart, venule, arteriole b. Arteriole, venule, heart, artery, vein c. Venule, arteriole, heart, vein, artery d. Venule, vein, heart, artery, arteriole
Answer:
D, Venule, vein, heart, artery, arteriole
Explanation:
The squence of blood circulation from the heart, begins with the aorta (artery),(distribution,This push the blood into the smaller branches from it callled the arterioles. The lattter are for microscopic distribution into the capillary beds,through the capillaries to reach the cells and the tissues.
The capillaries( containing the anesthetic) lead back, to empty into the venules,which are (smaller) subdivision of larger veins. The veins through the superior and inferior vena-cava empty the anesthetic to the heart.
This is pumped by the heart, through the aorta,and distributed through the arteriole to reach the tissues and cells.
Final answer:
After an anesthetic enters a capillary, it moves to venules, then veins, back to the heart, and is pumped through arteries and arterioles in a continuous cycle.
Explanation:
To understand the journey of an anesthetic or any substance through the circulatory system, it's crucial to know the order in which blood travels through various structures from capillaries back to the heart. After an anesthetic enters a capillary, it moves into small vessels called venules, which then merge into larger vessels known as veins. These veins transport the blood back to the heart. Once in the heart, the blood is pumped to the lungs for oxygenation and then returns to the heart to be pumped out through the arteries. These arteries branch into smaller vessels called arterioles before reaching the capillary networks of various tissues, where the cycle continues.
Therefore, the correct sequence for the journey of the anesthetic would be:
VenuleVeinHeartArteryArterioleThis sequence showcases the path from the smallest vessels after the capillaries back to the heart, and then out to the body's tissues through the arterial system. Option D is correct sequence .