Answer:
Zinc is an <em>element</em>.
Explanation:
Compounds are composed of two or more elements
It forms Carbon monoxide.
CO2 +O2⇒ CO
(Sorry not balanced)
Kinetic energy of the molecules increases and we are close to boiling point liquids. Then strain the liquid and gas pressure reached equilibrium
.
B - Sediment . Many layers of sediment slowly built up into a rock which turn into a fossil .
