Q3 of 21 Page 37

Most of the industries are concentrated around coal mines.

Many coal based industries are established in the vicinity of coal mines. This is because coal ores are very heavy and its transportation from one place to another is expensive. Thus, to save the cost of production, industries are set up nearby.


More from this chapter

All 21 →
2

Which of the following LPG in your kitchen?

a. Soaking the dal for sometime before cooking it.


b. Cooking food in a pressure cooker.


c. Keeping the vegetables chopped before lighting the gas for cooking.


d. Cooking food in an open pan kept on low flame.

 3

Environmental aspects must be carefully looked into before building huge dams.

 3

Petroleum is referred to as ‘black gold’.

 3

Quarrying can become a major environmental concern.