Answer:
D. They float on convection currents in the mantle.
Explanation:
Answer:
I think the electron microscope can magnify objects up to 200,000 times.
Explanation:
<span>I believe it is light, but this is kind of a confusing question. Technically there is a independent and dependent variable in the question. The variable being manipulated is light, and the earthwork activity depends on the light. </span>
