Answer:
germination rate of seeds
Explanation:
Not sure this is a question but my answer would be a semi-permeable membrane? Hope this helps! <3
B. are more difficult to control than point sources. This is because A. is wrong (point source), and C. is wrong, because it doesn't necessarily cost less or more to identify the sources. D. may be right, as non point sources are natural, such as snow melts or rain.
<span>Origin
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Answer: The sun generates energy from a process called nuclear fusion.
Explanation: I hopes this helps you out.
