Its renewed again and again by natural water cycle
The Answer is A but im only about 5% sure about my answer
<span> Plants (biosphere) draw water (hydrosphere) and nutrients from the soil (geosphere) and release water vapor into the atmosphere.</span>
GACTCCGTAACGGTTAACC.
CTGAGGCATTGCCAATTGG
G- pairs with C.
A- pairs with T. Unless it is mRNA then A pairs with U.