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Turning off the light when leaving a room is an example of

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In an accurate diagram of the solar system, which object would be shown closest to Earth?

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The crude oil extracted today was formed millions of years ago from the fossilized remains of algae and other tiny marine organisms. Most parts of the organisms decomposed soon after they died. Which biomolecules decomposed more slowly and became the basis of crude oil?

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Vultures are scavengers that most likely help ecosystems by quickly consuming dead organisms and