What types of chemical reactions are the following? Column A
1.
Al + + GaP → Ga + AlP

2.
2 Mg + O2 → 2 MgO

3.
MgO + BeSe → BeO + MgSe

4.
CH4 + 2O2 → CO2 + 2H2O

5.
2 NaCl → Na + Cl2

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

The body is protected against harmful flu viruses by

Abnormal softening of a gland is known as