Answer:
Sun
Explanation:
The hydrological cycle is most like mainly propelled by solar energy. By evaporating water from the oceans, lakes, rivers, and even the surface, solar energy powers the cycle. Other water is lost from plants to the atmosphere resulting of the transpiration.
Answer:
D. Geologic process that we observed today occurred the same way in the past.
Explanation:
<h3>Hope this helped!</h3>
Answer:
an investigation on how copper affects aquatic life in the reservoir
Explanation:
It was observed that there were two time periods represented in the sediment by larger levels of copper than is recommended in sediment quality guidelines at the San Carlos Reservoir in Arizona
The next things that will be on their mind is to investigate on how copper affects aquatic life in the reservoir
Because they are so old and over years they fade and wear away. <span />
i think it's the independent variable
