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.

The larges lakes in the world are found in: asia europe north america south america

What causes the cyclical changes in the appearance of the moon?

According to a recent survey, the local government wants to classify people according to their income earning capacity. they want to do so in order to provide special facilities for the poor. who among the four individuals will be classified as poor? a. joseph earns $2.25 per day b. maria earns $1.50 per day c. rosita earns $2.00 per day d. tim earns $ 1.00 per day