Q: Electric generators convert what type of energy to electric energy? Choices: - electromagnetic energy - thermodynamic energy - fluid energy - mechanical energy A:
mechanical energy
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Q: Cirrus, stratus, and cumulus are the main types of what? Choices: - weather - storms - climate - clouds A:
clouds
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Q: What keeps earth in orbit around the sun? Choices: - energy - motion - momentum - gravity A:
gravity
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Q: Dutch elm trees used to be common, beautiful trees in the united states. now most of them have been killed by what? Choices: - carbon dioxide - beetles - cancer - dutch elm disease A:
dutch elm disease
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