How is the phosphorus cycle different from the oxygen, nitrogen, and carbon cycles?
a. It occurs at the fastest rate.
b. It is not essential to life.
c. It does not occur naturally.
d. It does not involve the atmosphere.
How is the phosphorus cycle different from the oxygen, nitrogen, and carbon cycles?
a. It occurs at the fastest rate.
b. It is not essential to life.
c. It does not occur naturally.
d. It does not involve the atmosphere.