If there is concern that a region is not getting enough rain and the trees are thriving, which of the following would be the best biometric to measure? Types of trees
Growth of trees
Number of trees
Population of endangered species

it would be heredity

a. to encourage apoptosis

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101