How are magic minerals different from felsic minerals?

a. mafic minerals contains lower levels of iron and magnesium.

b. mafic minerals contain more dark-colored, high-density minerals

c. mafic minerals contain more light-colored, low-density minerals.

d. mafic minerals contain higher levels of feldspar and quartz

Mafic minerals contain more dark-colored, high-density minerals.

Explanation:

Mefic and felsic minerals represent two kinds of minerals or lava.

For example, mefic lava is more viscous than felsic lava.

The other difference is that word mafic is related to presence of Magnesium and iron minerals more while in felsic (Feldspar) silica content is more.

Mefic minerals are associated with dark color while felsic are lighter in color.

Explanation:

Hello there!

In this case, for the described chemical reaction, we can write:

Thus, by considering the 1:2 mole ratio of methane to water, and the molar mass of the latter (18.02 g/mol), the following is useful to calculate the mass of water that is produced:

Which is equal to:

Which is not among the choices.

Regards!