I believe the answer is B. I think it's B because I just studied this subject in school and it sounds best
The spinning of Earth on its axis is Earth's rotation.
Supply and demand!
If you want a lot of something cause its in high demand.
It can't be B or C.. or D so try A. Plant succession <span>is the process of change in the species structure of an </span>ecological<span> community over time. The time scale can be decades (for example, after a wildfire), or even millions of years after a mass extinction.</span>
A star is formed when atoms of light elements are squeezed together. <span />