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myrzilka [38]
4 years ago
9

After six-lives, what percentage of a radioactive sample will remain?

Biology
1 answer:
Oksi-84 [34.3K]4 years ago
4 0
B. 1%-3%
Hope that helps
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D) It decreases water movement.

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Hence, in this case, the correct answer is Humus is important because "It decreases water movement."

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