A scientific law uses to prove a natural phenomenon.
A. Experiments
B. Mathematics
C....
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Biology, 22.06.2019 10:30
All ova contain sex chromosomes corresponding to: x y xx xy
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Biology, 22.06.2019 11:30
Which of the following does not make up ground substance of connective tissue? hyaluronic acid elastic fibers glycosaminoglycan proteoglycan
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Biology, 22.06.2019 16:00
Fill in the blank with the correct sphere label. a: β geosphere b: β biosphere c: β hydrosphere
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Biology, 22.06.2019 16:30
The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?
Answers: 3
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