BIO 606 1.3 & 1.4

_______ is called black gold.

_______ is extracted through coal mines.

Natural gas is obtained when drilling for _____.

Natural gas is obtained when drilling for _____.

Coal can be used to generate _____.

Fossil fuel are _______ sources of energy.

Fossil fuel are of _______ origin.

The process of separating the constituents of a liquid mixture by heating and then condensing separately the components according to their different boiling points is called Fractional Distillation.

• True

• False

Coal is also known as black goal due to its imprtance and contribution towards a nation's economy.

• True

• False

We can define natural gas as the materials of biological origin which contain carbon and are used by humans as a source of energy.

• True

• False