14. Look at the diagram shown here. Which answer choice best describes the process shown?

A. mitosis
B. evolution
C. cell division
D. cell differentiation

In what for do plants utilize nitrogen? why do they need nitrogen?

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?

Several billion years ago which gas was the least prevailant in the atmosphere