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Which of these provided the first evidence of life on earth? ancient virus ancient bacteria non-living molecules reproducing molecules
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What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?
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What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons
Answers: 1
Which of these provided the first evidence of life on earth? ancient virus ancient bacteria non-liv...
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