1.
The earth's temperature is increasing due to Global warming which is due to
2.
Black gold is actually
3.
To reduce fuel consumption in automobile one should
4.
Use of CNG in automobile is better than petrol because it is
5.
In India petroleum deposit was first found in the state of
6.
The slow process of conversion of dead vegetation into coal is called
7.
CNG is the abbreviated form of
8.
Naphthalene balls used to repel moth and insect is derived from
9.
Coal, Petroleum and natural gas are examples of
10.
Resources present in unlimited quantity in nature and are not likely to be exhausted by human activities are called