Page 70 - Student Scholar Our Planet( EVS )-4
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B. Fill in the blanks.
1. The living things in the nature are ____________ and ____________.
2. We have polluted ____________, ____________, and ____________.
3. ____________ of our Earth is covered with water.
4. Harmful wastes mixed with soil cause ____________.
5. Plastic, metal, and glass are ____________ wastes.
C. Write 'T' for true and 'F' for false statement.
1. Human beings depend on man-made resources for their daily needs.
2. Bursting crackers during Diwali pollute the air.
3. Biodegradable wastes do not decay.
4. In recycling, we treat the waste so that it can be reused.
5. We should not waste paper as paper is made from trees.
D. Answer the following questions.
1. What is air pollution?
_______________________________________________________________________
_______________________________________________________________________
2. What is water pollution?
_______________________________________________________________________
_______________________________________________________________________
3. How can we save the environment?
_______________________________________________________________________
_______________________________________________________________________
4. How can we save our trees?
_______________________________________________________________________
_______________________________________________________________________
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