Is the answer is A. Volcanic activity
<span> Definitions, theorems, and sample problems</span>
Sodium is an element. What is the question?
Rotation<span> is when a planet or moon turns all the way around or spins on its axis one time. eg. A top that spind around its own axis or turning a screw.</span><span> </span>Revolution<span> is the movement of one object around a center or another object.</span>
The observation that deals more with senses instead of graphs and data.
