Answer:
C
Explanation:
The principle of superposition states that the oldest sedimentary rock units are at the bottom, and the youngest are at the top. Based on this, layer C is oldest, followed by B and A. So the full sequence of events is as follows: Layer C formed.
Answer:
Explanation:
He contributed to the discovery of cells while looking at a thin slice of cork. He then thought that cells only exist in plants and fungi. In 1665, he published Micrographia.
Commensalism is when one organism B. Benefits and the other is unaffected.
Answer:
They live in or around freshwater ponds, lakes, rivers, marshes and swamps.
Explanation:
