Answer:
They formed from a cloud of dust and gas.
Explanation:
A nebula is where the formation of stars takes place, so the Nebula Theory would pertain to the planets forming in the same way.
B I don't belive plant life is that important to this question
Answer:
Explanation:
They allow bacteria to adapt in condition
Granulocyte ( Polymorph.).
Commonest phagocytic white cells; can squeeze out of blood capillaries into tissues, have a short lifespan; made in the bone marrow.
Hope this helps!!!!!!