Answer:
<h3>magma that is rich in feldspar and silica is called STRATOVOLCANO.</h3>
A. The concentration is in mol/L
Answer:
Electrons are trapped inside the atom because of the attraction forces with positively charged protons that are found in the nucleus.
If a metal is less reactive than carbon, it can be extracted from its oxide by heating with carbon. The carbon displaces the metal from the compound, and removes the oxygen from the oxide. This leaves the metal.