Q: A major source of primary pollutants is the burning of oil and coal, which are types of what? Choices: - erosion fuels - renewable fuels - greenhouse gases - fossil fuels A:
fossil fuels
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Q: What is another term for the voice box? Choices: - pharynx - pancreas - optical nerve - larynx A:
larynx
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Q: What is the term for animals that cannot raise their body temperature on their own? Choices: - endothermic - catabolic - warm-blooded - ectothermic A:
ectothermic
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Q: What do you call the high and low points of transverse waves? Choices: - echos and troughs - waves and troughs - bands and troughs - crests and troughs A:
crests and troughs
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