Answer:
Chemically, mafic rocks are enriched in iron, magnesium and calcium and typically dark in color. In contrast, the felsic rocks are typically light in color and enriched in aluminium and silicon along with potassium and sodium. The mafic rocks also typically have a higher density than felsic rocks.
Fossil fuel are cheap and easy to use, but pollute the earth so no we shouldn't use it, and we should work on greener sources of energy that can power a nation! (Still not there yet though.)
The Andes mountain range runs almost the entire length of Chile, and thus is very, very long.
Answer:
i think it is the last one.
Explanation:
hope i helped
