When water freezes in crack of rock breaking the rock we are seeing what type of weathering?
a. Chemical
b. Mechanical
c. Industrial
d. Capitalistic
All of the following are accurate statements about tropical rain forests except ?
a. The densest layer of plant life is on the forest floor
b. The largest remaining rain forests are in the Amazon River and the Congo River basins
c. More than half of earth's plant and animal species live in rain forests
d. Each layer of forest supports a different community of plants and animals​
