Question

A. Fill in the blanks.
1. Most minerals are obtained from
thermal degradation of big plants / trees.
of petroleum
2. Coal is formed by the
3. Refining of petroleum is also called
4. The major fossil fuels are
and​

Answer 1

Explanation:

1. Most minerals are obtained

from earth's crust.

2. Coal is formed by the decaying

thermal degradation of big plants / trees.

3. Refining of petroleum is also

called fractional distillation of petroleum.

4. The major fossil fuels are

petroleum and coal.