Explanation:
d. when the growth rate is at its highest
Answer:
An ATOM!, is the smallest unit of matter that has characteristic properties of its element. Explanation: An atom a major part of the matter. (Everything in the world (except energy) is made of a material, and, so, everything in the universe is composed of atoms.
Stars are balls of gasses while planets are gasses and rock
A film of water covers the gametophyte