Seed-bearing plants are also referred to as
a. gymnosperms
c. angiosperms
b. hypnosperms
d. amniosperms

The correct answer is A. Gymnosperms. These are trees that produce seeds and can easily be found everywhere. Coniferous forests are usually almost exclusivelly gymnosperm plants. The seeds are found in cones and when the cones open the seeds fall out and new trees and plants grow out of them. Palm trees are very similar to this.

The answer would be sand and gravel