If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up. If greenhouse gases in the atmosphere were to be doubled, Earth will become cooler or warmer?
warmer
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In general, fossils in older rocks are less similar to modern organisms. John was comparing different fossils in his collection one day. If he were to compare characteristics of a very recent fossil in his collection to an animal alive now, what would he find high similarity or low similarity?
high similarity
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The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering. As Earth's climate becomes warmer it will develop less or more varieties of vegetation?
more
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Electrons at lower energy levels, which are closer to the nucleus, have less energy. Sally has an electron. Sue has an electron that is closer to the nucleus. Whose electron has lower energy Sally or Sue?
Sue
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