The magma that is high in silica usually forms light colored such as granite and the lava that is in low silica usually forms in a dark colored rocks such as basalt. I hope this helped you.
Plebeians. Plebeians were the lower-class, often farmers, in Rome who mostly worked the land owned by the Patricians.
advocacy or political independence for a particular country
The answer is a) Division of labor.
Hope this helps!
-Payshence xoxo