i believe the answer is d. hope it helps
Answer:
The Cell Cycle is a 4-stage process consisting of Gap 1 (G1), Synthesis, Gap 2 (G2) and Mitosis.
Explanation:
Air, water, some kind of food or sustenance <span />
No they cant be mechanical because then something would have to generate their rays through the inventing of a machine.
<span>elongation ^^ *hugs*</span>
