Question

1. Fill in the blanks with the right words from the list
1) The first fossil fuel used by human beings to produce energy
was
2) The things required to improve economy are called
3) Forests control the
and
increased as the population
4) The demand of the
increased
5)
is the layer of the earth over which man lives.​

Answer 1

1)coal

2)capital, more labour

3)rain and climate

4)

5)crust

Answer 2

Answer:

1.coal

4.core

I know only that answer