Which process is a form of mechanical weathering?

a. hydration
b. carbonation
c. exfoliation
d. oxidation

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Nucleic acids offer variability because they contain alternate forms of genes called .