Answer:
A. When two tectonic plates start to push into each other they can rise up and build mountains, or sink under and create deep valleys.
Explanation:
It is true
Answer:
B or C i think
Explanation:
because Eons are broken into eras and then into periods. Its not A tho
Answer:
Explanation:
1.Variation is the result of speciation as species have evolved over time to adapt to enviromental changes
The answer is c) a number and a unit
