A physical oceanographer does not study fish therefore your answer is D. Fish
<span>The metabolic activity of a specific region of the living rat brain can be revealed by measurement of Fos protein concentration.
c-Fos is a proto-oncogene that is the homolog of the retroviral oncogene v-fos. It was first discovered in rat fibroblasts as the transforming gene of the FBJ MSV.</span>
I think the answer is NUCLEUS.
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Answer:
Passing through clay beds filters groundwater, purifying out soil, or organic materials, and contaminants to leave behind pure water that fills up aquifers.
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Answer:
precipitation, condensation, evaporation, soemthing else, water, clouds, surface ruunoff, etc
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