Which describes an underground layer of porous and permeable rock that holds water? A reservoir

B subsidence

C deposit

D aquifer

answer by yourhope:

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in which structure in the nucleus are ribosomes made?

b) nucleolus!

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the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

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