Question

Q No 1: Fill in the blanks.
1. _________is the introduction or presence of harmful substances in the environment.
2. Three types of pollution are __________, __________ and __________.
3. 3Rs stands for _________, _________.
and recycle
4. Pollution is affecting the health of _________.
5. The polluted air we breathe in causes lung problems and ___________ diseases.
(its a 7 class question)​

Answer 1

Answer:

2. air pollution, water pollution , noise pollution

3. reduce, reuse , recycle

4. living beings

5. respiratory disease

Explanation:

sorry i don't know the answer of no. 1 :(