Ques:Q: What should a pregnant woman avoid while pregnant? Read this paragraph and choose the correct option from the provided answers: The pregnant mother plays a critical role in the development of the embryo and fetus. She must avoid toxic substances such as alcohol, which can damage the developing offspring. She must also provide all the nutrients and other substances needed for normal growth and development. Most nutrients are needed in greater amounts by a pregnant woman, but some are especially important, including folic acid (vitamin B 9 ), calcium, iron, and omega-3 fatty acids. Choices: - healthy food - vitamins - rest and relaxation - toxic substances A:

Ans:toxic substances
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Ques:Q: Osteoporosis, osteoarthritis, fractures, and sprains are problems affecting what system? Read this paragraph and choose the correct option from the provided answers: Possible problems of the skeletal system include osteoporosis, osteoarthritis, fractures, and sprains. Choices: - digestive system - nervous system - tissues system - skeletal system A:

Ans:skeletal system
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Ques:Q: A reptile's what doesn't generate enough energy to keep their body temperature stable? Read this paragraph and choose the correct option from the provided answers: Like amphibians, reptiles are ectotherms with a slow metabolic rate. Their metabolism doesn't generate enough energy to keep their body temperature stable. Instead, reptiles regulate their body temperature through their behavior. For example, the crocodile in Figure below is soaking up heat from the environment by basking in the sun. Because of their ectothermy, reptiles can get by with as little as one tenth the food needed by endotherms such as mammals. Some species of reptiles can go several weeks between meals. Choices: - respiration - tissue - skin - metabolism A:

Ans:metabolism
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Ques:Q: What type of pollution results from the contaminants that enter a waterway or water body through a single site? Read this paragraph and choose the correct option from the provided answers: Point source pollution results from the contaminants that enter a waterway or water body through a single site. Examples of this include untreated sewage, wastewater from a sewage treatment plant, and leaking underground tanks. Choices: - liquid source pollution - simple source pollution - targeted source pollution - point source pollution A:

Ans:
point source pollution
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