Answer:
Physical digestion prepares the food for chemical digestion.
Answer:
The molecules in a solid are more closely packed than those in a gas. Gas molecules are VERY spread apart, which is why we cannot see them.
Explanation:
Answer:
Autotrophs
Explination: They are called this because they use the energy and simple inorganic compounds to produce organic molecules.
<span>Eats plants only: Herbivore
Eats animals only: Cornivore
Eats plants and animals: Omnivore </span>