Answer the following question given this paragraph: Blood flows into the kidney through the renal artery. The renal artery connects to capillaries inside the kidney. Capillaries and nephrons lie very close to each other in the kidney. Q: Blood flows into the kidney through which artery? Choices: - main artery - blood artery - pulminary artery - renal artery A:
renal artery
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Answer the following question given this paragraph: Not all climate regions develop soils. Arid regions are poor at soil development. Not all regions develop the same soil horizons. Some areas develop as many as five or six distinct layers. Others develop only a few. Q: While some climate regions have multiple layers, arid regions are poor for development of what? Choices: - rain - plants - minerals - soil A:
soil
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Answer the following question given this paragraph: Coral reefs are found only in warm water. Coal swamps are also found in tropical and subtropical environments. Wegener discovered ancient coal seams and coral reef fossils in areas that are much too cold today. Wegener thought that the continents have moved since the time of Pangaea. Q: Are coral reefs found in warm or cold water? Choices: - cool - cold - both - warm A:
warm
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Answer the following question given this paragraph: There are about 10,000 living species of birds. Almost all of them can fly. Flying birds are classified in 29 orders. Most species belong to the order of perching birds. A few birds are flightless, such as the ostrich and penguin, but they evolved from a flying ancestor. Q: What important and unusual physical property (for birds) do ostriches and penguins share? Choices: - waterproofness - webbed feet - bonelessness - flightlessness A:
flightlessness
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