Environmental Studies

Environmental Studies Worksheet-7

1. How can you spoil renewable resources such as water and air?

A. By not using them                   B. By polluting them

C. By using them                          D. By cleaning them

2. How old are the fossils?

A. Thousands to ten thousands seconds old

B. Thousands to billions years old

C. A couple of years old

D. A few days old

Environmental Studies Worksheet-8

1. Which of the following is a major source of air pollution?

A. Breathing                                 

B. Cooking                 

C. Burning of fossil fuel that produces CO₂

D. Burning of nuclear fuel

Environmental Studies Worksheet-9

1. Which of the following is a major source of water pollution?

A. Household waste                    

B. Industrial waste from factories and refineries

C. Fish in the water

D. Ultraviolet rays

2. What happens to the soft part of an animal or plant during fossil making process?

A. It is hardened.                          B. It is imprinted.