How does solid rock become soil? Question 4 options:

it breaks down and combines with water, air, and organic matter.

it breaks down and changes into liquid

it falls apart and combines with particles in the air.

it splits apart and combines with plant roots

Species can vary in several ways. which of the following is one of darwin's ideas that was accepted by most scientists of his time due to the large number of fossils being discovered at that time? a. species vary around the world. b. species have specific adaptations to their local environment. c. species that live in seawater can also live on mountains. d. species change over long periods of time.