To move around more. bounce off walls ect. they are more energised
Answer:
I would say you are correct.
Explanation:
Fossil fuels is the answer
1) 100s of millions of years ago Trees and plants fall into swamps
2) Layers of rotting plant matter builds up underwater
3) Over millions of years the weight of layers heat the plant matter and turn into Peat
4) Over millions of years more pressure and heat turns Peat into coal
