They think that people started as a fish and there was a resolution into a bigger fish then into a land creature then into a monkey then into a man. They think that the earth was a little rock at the beginning but then other rocks joined it and it became 1 big planet. But this is just what they think.
The principle fuel used as a petrol substitute for road transport vehicles is bioethanol. Bioethanol fuel is mainly produced by the sugar fermentation process, although it can also be manufactured by the chemical process of reacting ethylene with steam.
Basically, a plant can be considered as bioethanol becacuse it is a sugar fuel for animals. Animals consume plants for fuel to survive.
Lithosphere is the correct answer
cause hydrosphere is water
and stratosphere and atmosphere are part of the air
