Answer:
Solar energy is the most efficient compared to fossil fuels. The sun is a free and renewable source of energy. Solar energy also has less environmental impact.
Answer:
Because different cells are under different pressure. The most frequently replaced cell would be skin cells while on the opposite scale we have neurons. Skin is under constant pressure so we have to replace it as quickly as possible where as neurons must be replicated only once so we can maintain a stable brain.
Explanation:
Answer:
Its is only found only in roots
Explanation:
Ground substance and cells are two a third one is fiber
Yes. Like many other fish, they reproduce by laying eggs.
