Sink<span> is a </span>carbon<span> reservoir that is increasing in size, and is the opposite of a </span>carbon<span> "source". The main natural </span>sinks<span> are the oceans and plants and other organisms that use photosynthesis to remove </span>carbon<span> from the atmosphere by incorporating it into biomass.</span>
dna, genes, animo, to acids
I think it is control group
The rate at which materials enter and leave the cell depends on the cells surface area
Your answer is: D) surface area
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