Which human activity contributes to increased nitrates in ground water leading to harmful algae blooms and possible dead zones? Please I will mark brainliest

A)

application of fertilizers

B)

deforestation

C)

burning fossil fuels

D)

growing beans

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.