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Biology, 21.06.2019 23:00
The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?
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Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions
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Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above
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Biology, 22.06.2019 11:30
If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm
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Where are enzymes found in the digestive system...
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