What do the fuels wood, peat, coal, and ethanol have in common?(a)They are derived from fossilized

What do the fuels wood, peat, coal, and ethanol have in common?

(a)  They are derived from fossilized

animals.

(b)  They are formed from living or fossil plants.

(c)  They are formed under pressure deep in the Earth.

(d)   All of these answers apply.