Answer:
All energy sources have some impact on our environment. Fossil fuels—coal, oil, and natural gas—do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions.
Explanation:
jones eg, powell tps: an anatomical study of converging sensory pathways within the cerebral cortex of the monkey. brain 93:793-820, 1970
Jones EG, Powell TPS carried out an anatomical study of converging sensory pathways within the cerebral cortex of the monkey in 1970. In their study, Jones EG, Powell TPS conducted an anatomical study of converging sensory pathways within the cerebral cortex of the monkey.
They found that sensory information from different modalities such as vision, hearing, touch, and smell are integrated in the cerebral cortex.The cerebral cortex is the outer layer of the brain responsible for a wide range of functions such as consciousness, perception, thought, and memory.
Sensory information from the different modalities is processed in different areas of the cortex and then integrated to give rise to a unified perception of the external world.Jones EG, Powell TPS's study provided insight into the anatomical basis of multisensory integration in the cerebral cortex of the monkey. The findings of their study have important implications for our understanding of how the brain processes and integrates sensory information to give rise to perception.
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If your career is in the Hospitality and Tourism cluster, which of these jobs would you
LEAST likely to do?
A. Costume Designer
B. Zookeeper
C. Travel Agent
D. Food and Truck owner
Answer:
A: Costume Designer
Explanation:
Answer:
A.
Explanation:
A Costume Designer is in the Arts, A/V Technology, and Communications cluster so it can't also be in the Hospitality and Tourism cluster.
Hope this helps! :D
Which of the following explains why an apple looks red? The apple reflects red light and absorbs all other visible wavelengths. The apple absorbs red light, and reflects all other colors of light.. The apple is absorbs all visible wavelengths, but absorbs red light better The apple is reflects all light that hits its surface.
Answer:
The apple reflects red light and absorbs all other visible wavelengths
Explanation:
The apple is only reflecting the color red and is absorbing the other colors of light (wavelengths)
The correct explanation why an apple looks red is that the apple reflects red light and absorbs all the other visible wavelengths. Thus, the correct option is A.
What is Absorption and reflection of light?Light absorption is the process in which the light ray is absorbed by the matter and converted into a form of energy. In an atom, the electrons vibrate at a specific frequency, then this is called as the natural frequency.
Reflection is a phenomenon of light. When a ray of light approaches a smooth polished surface such as metal and the light ray bounces back, it is called the reflection of light. The incident light ray which land on the surface is reflected off from the surface. The light ray that bounces back is called the reflected ray.
Therefore, the correct option is A.
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pepsinogen, is secreted by the ________. brunner's glands in the duodenum parietal cells of the stomach chief cells of the stomach goblet cells of the small intestine
Pepsinogen is secreted by the chief cells of stomach. Brunner's glands in the duodenum parietal cells of the stomach chief cells of the stomach goblet cells of the small intestine.
The stomach's lining contains specialized cells called chief cells, which release pepsinogen and other digestive enzymes. The digestive enzyme pepsin, which is in charge of dissolving proteins into smaller peptides and amino acids, has an inactive precursor known as pepsinogen.
The hydrochloric acid (HCl) in the stomach converts pepsinogen, which is released into the acidic environment of the stomach, into pepsin, which is the active form.
It is significant to note that neither goblet cells nor parietal cells of the small intestine nor Brunner's glands in the duodenum secrete pepsinogen.
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how can cardiac muscle tissue get sufficient rest
The cardiac muscle tissue get sufficient rest through few mechanisms in place to help it recover between contractions and maintain a steady rhythm:
DiastoleAutoregulationCoronary circulationSympathetic and parasympathetic nervous systemCardiac muscle tissue, also known as the heart muscle, has a unique characteristic compared to other types of muscle tissue in the body. Unlike skeletal muscle, cardiac muscle is responsible for continuously pumping blood and doesn't have the ability to fully relax and rest.
Diastole: During diastole, the heart relaxes and fills with blood. This phase allows the heart to recover and receive an adequate amount of oxygen and nutrients before the next contraction.
Autoregulation: Cardiac muscle has the ability to regulate its own blood flow, ensuring that it receives sufficient oxygen and nutrients even during periods of increased demand.
Coronary circulation: The heart has its own blood supply, known as the coronary circulation, which helps to ensure that the heart muscle receives an adequate supply of oxygen and nutrients.
Sympathetic and parasympathetic nervous system: The sympathetic and parasympathetic nervous systems play a role in regulating the heart rate and ensuring that the heart receives sufficient rest between contractions.
It is important to maintain a healthy heart and lifestyle to ensure that the heart muscle receives the rest and nutrients it needs to function properly. This can include regular physical activity, a balanced diet, and avoiding habits that can increase the risk of heart disease, such as smoking and excessive alcohol consumption.
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92) why did mendel continue some of his experiments to the f2 generation? a) to obtain a larger number of offspring on which to base statistics b) to observe whether or not a recessive trait would reappear c) to observe whether or not the dominant trait would reappear
The correct option is (b). Mendel continued some of his experiments to the F2 generation to observe whether or not a recessive trait would reappear. He discovered the Law of Segregation, the Law of Independent Assortment, and the Law of Dominance.
Mendel continued some of his experiments to the F2 generation to observe whether or not a recessive trait would reappear. He discovered the Law of Segregation, the Law of Independent Assortment, and the Law of Dominance, which would become the basis of modern genetics. Mendel discovered that traits are passed from parents to offspring and that certain traits are dominant and will be expressed in offspring over other traits, which are called recessive traits. The F2 generation is the second filial generation and is produced by crossing the F1 generation. This generation would demonstrate whether or not a trait could reappear, thus proving the Law of Segregation. This law states that each organism has two alleles for each trait that segregate during gamete formation and randomly unite at fertilization. Mendel wanted to see if these traits would reappear in the F2 generation as he discovered this pattern in the F1 generation. During his experiments, Gregor Mendel crossed peas with different traits and observed their offspring. His observations of how traits were passed from one generation to the next and his discovery of certain inheritance patterns is considered as one of the most important and fundamental breakthroughs in the history of biology. He crossbred pea plants with specific characteristics, such as color and texture, and followed how these characteristics were transmitted to the offspring of these plants, or their offspring. He was the first person to investigate and discover the underlying patterns of genetic inheritance. Mendel continued some of his experiments to the F2 generation because he wanted to observe if a recessive trait would reappear. In the F2 generation, he discovered the Law of Segregation, the Law of Independent Assortment, and the Law of Dominance, which would become the basis of modern genetics.Mendel's experiments showed that traits were passed down from parents to offspring, and that certain traits are dominant over other traits, which are known as recessive traits. For example, if a pea plant with yellow seeds was crossed with a pea plant with green seeds, the F1 generation would all have yellow seeds because the yellow seed trait is dominant over the green seed trait. However, when these yellow-seeded F1 plants were self-fertilized, the F2 generation would contain both yellow and green seeds because the green seed trait is recessive and could reappear in the next generation. Thus, Mendel continued his experiments to the F2 generation to test the patterns of inheritance of recessive traits.
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a. Which of the following statements about the role of growth rate in competition is FALSE? A single combination of traits usually produces a competitor that is best in all environments. Plants with a high growth rate often have an advantage over plants with a low growth rate. Within a single community, different species may coexist because of adaptations to different microenvironments. Leaf arrangement, crown shape, and patterns of allocation of energy all affect growth rate. Plants with a low growth rate may survive if they are able to photosynthesize at low light intensities.
The statement that a single combination of traits usually produces a competitor that is best in all environments is FALSE. In reality, different environments may favor different combinations of traits, and no one combination is best in all environments.
This is why within a single community, different species may coexist because of their adaptations to different microenvironments. Additionally, leaf arrangement, crown shape, and patterns of allocation of energy all play a role in determining a plant's growth rate.
Plants with a high growth rate often have an advantage over plants with a low growth rate, but it is also possible for plants with a low growth rate to survive if they are able to photosynthesize at low light intensities.
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Students who use memorization strategies such as chunking and clustering can remember much more than those who do not.What is the Independent Variable and why?What is the dependent Variable and why?
Dependent variable is a variable that changes because of the manipulation of the independent variable. The dependent variable in the scenario is the memorization capacity of the students since it is being manipulated by the strategies such as chunking and clustering to produce an outcome.
Independent variable is a variable that does not depend on another variable. It can stand alone and it does not change. The independent variable in the scenario is the memorization strategies such as chunking and clustering. Application of such strategies does not affect the status of the strategies.
What is the function of the hydrogen bonds?
Answer:
ambot
Explanation:
pag answer ug imo kay wla ko kabalo
how many days does it take for a turkey egg to hatch
Answer:
It Takes 28 days for a Turkey Egg To Hatch.
Someone please help me get this done
Some species boast armature such as thorns, or spines that ward off slavering herbivores. Some are loaded with poisons to sicken or kill them. And while tomatoes may not be able to scream, as L. Ron Hubbard once claimed, some plants do emit compounds that warn their compatriots of approaching threats: the botanical equivalent of a smoke signal.
will the actions we take today be enough to forestall the direct impacts of climate change?Or is it too little too late?Why?
Answer: Prevented
Explanation:
which of these particles have the biggest impact on the elements mass?
Answer:
Protons and neutrons
Explanation:
Name five types of evidence that support the theory of evolution. Write one sentence for each, explaining why it demonstrates evidence. (10 points)
The five evidences that support the theory of evolution are: Fossils, Anatomy, Embryology, Molecular Biology (or Biochemistry), and Biogeography.
Fossils show the physical change in a species over time, suggesting evidence for evolution. For an example, we can trace the origins of dolphins and whales all the way to a four-legged, dog-like hoofed mammal from about 50 mya. These mammals were fish eaters and so decided to spend a lot of time in the water. In fact, they spent so much time in the water, that in a few million years, they evolved a longer body and webbed feet. Then another few million years passed and they swapped their webbed feet for flippers and swapped their tail of a fin. Eventually, we get a fish-like mammal that once walked on land.
For anatomy, or structures, there's three types of structure comparisons: Homologous structures, Vestigial structures, and Analogous structures (or Convergent Evolution). Homologous structures show similarities between the structures between species, but serve different purposes. For an example, all mammals share common features within their arms, such as having 5 fingers. However, they serve different purposes, from whale fins for swimming, to bat wings for flying, to human hands for grabbing and for using tools.
Vestigial structures were structures that once served a purpose and have been reduced in size/power to the point where it's useless. For an example, large theropods such as the T. Rex spent so much time evolving more jaw muscles and biting power, that they sacrificed their arm muscles for such power. This explains why their arms were so short.
Another example would be ratites, flightless birds such as ostriches, emus, and cassowaries (penguins and kakapos are from a different group). They spent so much time evolving powerful legs as well as evolving in size, that there was no need to fly when they could just run with their improved legs. And also the fact that they're too heavy to even fly anyways.
Analogous structures is the similar functions of structures between species, but have separately evolved these functions. For an example, the wings from insects, birds, bats, and pterosaurs are very similar in shape and can be used to fly, but they've evolved separately. For an example, birds use feathers to fly while bats and pterosaurs use/used (pterosaurs are extinct) membrane between their bones to fly. Although they do have strikingly similar evolutionary histories, with their ancestors starting off as tree dwellers, they've evolved their flight abilities separately during different earth periods.
Embryology is evidence for evolution by using embryos from different species to suggest a common ancestor. For an example, we can prove that we're more related to whales than to fish by using embryos. The fish embryo will evolve gills while the embryos of humans and whales will not, since we do not breath by extracting oxygen from water.
Molecular biology is a more recent way of providing evidence for evolution. By taking the DNA from cells from different species, we can get an estimate of how related one species is to another. The more similar amino acid sequences are between species, the more recent their common ancestor is. For an example, by comparing amino acid sequences between humans and chimpanzees, we get an estimated amount that we once shared a common ancestor seven million years ago. Without molecular biology, we would still be digging for fossils to find that number.
Biogeography is the geographic distribution of species on earth that can be explained by evolution. For an example, we can tell that Australia separated first from Pangea rather than Asia or North America since Australia doesn't have bears while the Asia and North America do, with China having pandas and North America having brown and black bears. And also with the fact that Australia is the only continent with monotremes (egg-laying mammals like the platypus).
Similar to biogeography, there's also direct observation, which is evolution that has happened in our own eyes. An example would be the underground London mosquito. Mosquitoes usually target birds like pigeons. But after an underground tunnel was built in London, some mosquitoes managed to get inside and instead of birds, they targeted, mice, rats, and of course, humans. After only a few hundred years, a mosquito from the underground tried to mate with another mosquito from land and they could not, simply because they were different species. This shows that their new choice of feeding on mammalian blood has actually altered their DNA and created a new species, during the existence of humanity!
Kevin, an electrical engineer, comes to work every day with a positive attitude. He has many goals, and he knows that he will have to work hard to achieve them. Kevin completes his projects on time and offers to help out when needed. Kevin has strong skills in which area?
A.
integrity
B.
conflict-resolution
C.
self-representation
D.
teamwork
E.
positive work ethic
Integrity is the strongest skill kevin is having .
Integrity is the quality of being honest and have morals to follow . It involves sticking by your promise taking responsibility and treat others with due respect . Integrity teaches you doing the right thing in reliable way and achieving the goals.
Integrity is the most admirable personality trait that means the wholeness of the character .Integrity is the quality of having strong ethical or moral principles and obeying them every times. A person with integrity acts with honesty, honor, and truthfulness. Example includes when you are at workplace you obey the time and take whole sole responsibility of the work you are doing .
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What is the most specific ecological level?A. a habitatB. an organismC. an ecosystemD. a biosphere
We have to consider that the ecology, in aims to classify from a more general to a more specific magnitude, and propose a categorization of the ecological levels approaching how broad or narrow they are. In this sense, a broader level would be the biosphere, since there are too many components of the biome. and a narrower level would be a very organism since it would be the more specific category (B answer option), as we can see in the following picture:
spraying insects with a pesticide ddt causes some pesticide resistance in insect populations.The changes that occur in the insect population are related to a pattern in genetic inheritance. Repeated spraying kills many insects; however, more frequent spraying and higher concentrations fail to kill insects. In this environment, the spaying of insects appears to act as
SELECT ONE:
A. BIOLOGICAL FACTOR
B.GROWTH INHIBITOR
C.AN AGENT OF SELECTIVE PRESSURE
D. AN AGENT TO ELIMINATE OLD WEAK INSECTS
Answer:
D. AN AGENT TO ELIMINATE OLD WEAK INSECTS
Explanation
Because when older bugs get poisoned they have a less of a chance to survive because their already old and crippled.
But using cinnamon is a more effective way of killing bugs and ants and it does not harm children or other house hold animals that you may have.
Find the area o o
Trabezium whose parallel
sides are 57cm & 33cm and the distance between
them is 13cm
Answer:
585 cm²
Explanation:
base lengths= 57 cm and 33 cm
height= 13 cm
area= 1/2(57+33)*13= 585 cm²
\(\huge{\mathfrak{\purple{Question}}}\)
Find the area of Trapezium whose parallel
sides are 57cm & 33cm and the distance between them is 13cm
\(\huge{\mathfrak{\purple{Answer}}}\)
585 cm²
\(\huge{\mathfrak{\purple{Explanation}}}\)
Given
Sides of Trapezium ( Length )= 57 and 33 cmDistance Between them ( Height ) = 13 cmTo find Area of Trapezium
Formula of Area of Trapezium
Formula of Area of Trapezium = 1/2 X ( Sum of Length ) X Height
= 1/2 X ( 57 + 33 ) X 13
= 1/2 X 90 X 13
= 585 cm²
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imagine a population evolving by genetic drift, in which the frequency of the allele K is 0.8. What is the probability that at some point in the future allele K will drift to a frequency of 1.0? Express your answer as a number between 0 and 1.
The probability that allele K will drift to a frequency of 1.0 is 0.8
In a population evolving by genetic drift, the frequency of an allele may change randomly over time. The probability that an allele will eventually reach a frequency of 1.0 (i.e., become fixed in the population) is equal to its current frequency.
In this case, the frequency of allele K is 0.8. Therefore, there is an 80% (0.8) chance that allele K will drift to a frequency of 1.0 at some point in the future. This probability is derived from the principles of genetic drift and the fact that the allele's frequency determines its likelihood of becoming fixed.
Genetic drift is when a population's existing gene variants change in frequency at random. Variants in genes may completely disappear as a result of genetic drift, reducing genetic variation. It could also make initially uncommon alleles much more common and even permanent.
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The organelle that packages proteins and carbohydrates to move outside of the cell is the what
Answer:
Golgi Complex
Explanation:
Answer:
Golgi Apparatus is the organelle that packages proteins and carbohydrates to move outside of the cell.
After the head is struck, the brain continues to move in the fluid and may be contused on the other side; this type of injury is called:
Answer:
contrecoupDefinition:
a contusion caused by the brain colliding with the skull on the side opposite the point of impact.What do you think an AIR QUALITY ALERT is??
Answer:
It discusses Pollution levels in the Air
Explanation: Air can be hazardous to those lungs that are weak. They have something called an Air Quality Alert to warn those with weak lungs to take precautions. Hope this helped!
Which equation best represents conversation of matter?
A) 6H2O + 6CO2 right arrow C3H603 + 3O2
B) 6H2O + 6CO2 right arrow C6H12O6 + 602
C) 6H20 + 10CO2 right arrow C6H12O6 + 402
D) 3H2O + 3CO2 right arrow C612O6 + 602
I'm confused, please someone help asap! Ty!
Answer:
B is the correct answer
Explanation:
Answer:
B. 6CO2 + 12H2O + energy Right arrow. C6H12O6 + 6O2 + 6H2O
Explanation:
true or false, can a radiologist dictate a report and send it to an outside transcription agency for transcribing?
The given statement "a radiologist dictate a report and send it to an outside transcription agency for transcribing" is true because a radiologist can dictate a report and send it to an outside transcription agency for transcribing.
This is a common practice in numerous healthcare installations. Recap agencies are generally staffed with educated medical language specialists who are able of transcribing medical reports directly and in a timely manner. This process allows radiologists to concentrate on their clinical duties
while still having access to their reports in a timely manner. also, using recap services can help reduce costs associated with dictation and recap, as the recap agencies are generally more effective and cost-effective than in- house recap services.
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a) Name one producer.
b) Name one primary consumer.
c) Name one secondary consumer.
d) Name one top carnivore.
e) How is energy transferred from one trophic level to the next?
f) Which trophic level has both the greatest amount of energy and the greatest amount of
biomass?
g) Suppose a large volcanic eruption occurred and a thick cloud of ash completely blocked
sunlight from reaching this prairie ecosystem for several months. Explain how the transfer of
energy and the transfer of matter would be affected by this event.
L
Answer:
Explanation:
just search what a primary consumer is
4) Do all organisms eat the same food in the food web? How do you know this?
( I started with "No, not all organisms eat the same food")
No, not all organisms eat the same food in the food web, this is because there are different hierarchies is the food chain.
What is the food web?A food web is a diagram that shows what is eaten by what in an ecological community and how food chains naturally connect to one another. Consumer-resource system is another term for the food web.
Each organism in an ecosystem is a link in a number of food chains. Energy and nutrients can go along different food chains as they move through the ecosystem.
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The repair of double-strand breaks in DNA is essential for maintaining the integrity of the genetic material and for cell viability. The homologous recombination pathway serves as a primary means of double-strand break repair in eubacteria. An initial step in this pathway involves the RecBCD trimeric protein recognizing blunt-ended DNA at the site of a break, followed by complex processing of DNA inward from the break, finally resulting in a 3' overhang of single-stranded DNA (ssDNA) coated by RecA protein. This serves as the substrate for homologous recombination via the RecA pathway.
Which subunits of the RecBCD trimer show helicase structure and function?
The RecBCD trimer is a protein complex that is essential for the repair of double-strand breaks in DNA in eubacteria.
The helicase structure and function of this complex are provided by the RecB and RecD subunits. The RecBCD complex is a trimeric protein complex composed of three subunits: RecB, RecC, and RecD. The RecB and RecD subunits of this complex are helicases, enzymes that can unwind DNA. These helicase subunits function by processing DNA inward from the site of a break in double-stranded DNA, eventually resulting in a 3' overhang of single-stranded DNA that is coated by RecA protein. This single-stranded DNA serves as the substrate for homologous recombination via the RecA pathway, a process by which DNA sequences from two different DNA molecules are exchanged in order to repair the damage. In summary, the RecB and RecD subunits of the RecBCD trimer provide the helicase structure and function needed for the initial processing of double-strand breaks in DNA. This processing results in single-stranded DNA that can be used as a substrate for homologous recombination and repair of the damaged DNA.
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Explain the importance of meiosis and it’s random crossing over and independent assortment events on the diversity of life. If my assistant not create genetically unique gametes what would the result be on survival of population
Importance of meiosis: Produces genetically diverse gametes with unique combinations of alleles. Random crossing over and independent assortment events during meiosis increase genetic variation and adaptability within populations.
If genetically unique gametes were not produced, populations would have limited genetic diversity and reduced ability to adapt to changing environments. This could lead to decreased survival and increased susceptibility to diseases, as well as reduced ability to cope with changes in food sources or environmental pressures. The random nature of meiosis ensures that new combinations of alleles are constantly being generated, which in turn promotes genetic diversity and evolutionary adaptation.
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Which of the following statements relates to the cell theory?
I All non-living things are composed of cells
II All cells come from other cells
III Cells have similar functions
IV The cell is the basic unit of structure in all organisms
Answer:
IV The cell is the basic unit of structure in all organisms
Explanation:
what advantage would there be for an ecosystem ecologist to measure net ecosystem production (nep) instead of net primary production (npp)?
Comprehensive assessment of carbon dynamics: NEP accounts for not only the carbon uptake by primary producers (NPP) but also the carbon losses due to ecosystem respiration.
By measuring NEP, ecologists obtain a more complete picture of the net carbon balance within an ecosystem, including both carbon fixation and release processes.Ecosystem-level perspective: NEP reflects the overall carbon balance at the ecosystem level. It considers the interactions between different components of the ecosystem, including primary producers, consumers, and decomposers. This broader perspective allows for a better understanding of how the entire ecosystem functions and how it responds to environmental changes or disturbances.
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Measuring Net Ecosystem Production (NEP) instead of Net Primary Production (NPP) can provide ecosystem ecologists with a more comprehensive understanding of the carbon cycle within a specific ecosystem.
While NPP only measures the amount of carbon fixed by primary producers, NEP takes into account the total amount of carbon produced by primary producers as well as the carbon lost through respiration by all organisms within the ecosystem. This allows ecologists to more accurately assess the net carbon balance of the ecosystem, including factors such as decomposition and nutrient cycling. NEP measurements can also provide insight into the impacts of disturbances on ecosystem carbon storage and the potential for the ecosystem to act as a carbon sink or source. Overall, NEP provides a more complete picture of ecosystem carbon dynamics than NPP alone. An advantage for an ecosystem ecologist to measure Net Ecosystem Production (NEP) instead of Net Primary Production (NPP) is that NEP provides a more comprehensive assessment of an ecosystem's overall carbon balance.
While NPP measures the amount of carbon captured by primary producers through photosynthesis minus plant respiration, NEP also accounts for the carbon released through heterotrophic respiration, such as decomposition by microbes and consumption by herbivores. By considering both autotrophic and heterotrophic processes, NEP offers a clearer understanding of an ecosystem's carbon storage potential, which is important for evaluating its role in mitigating climate change.
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