Answer:
D
Explanation:
because the sun is energy
The process of the development of reproductive cells in males is called Spermatogenesis. Spermatogenesis develops immature germ cells into mature sperm cells. Oogenesis is the process of the development of reproductive cells in females. Fertilization happens when the sperm and egg cells unite.
Answer:
Atoms combine when their electrons are shared or transferred
Drilling with pipe and mud
