Question

V. Answer in one word.

1. The substances that cause pollution_______________.


2. Protection of soil against soil erosion.______________.


3. The process of changing solid into liquid.____________.


4. The waste that can be decomposed naturally.____________.


5. A car releasing smoke into the air causes_______________.


6. Layers of Earth____________, ____________&____________.


7. Example of solid___________.​

Answer 1

Answer:

1 pollutants

2 soil conservation

3 melting

4 Biodegradable waste

5 Air pollution

6 crust , mantle , core

7 rock

Answer 2

Answer -

1. pollutants
2. soil conservation
3. melting
4. biodegradable waste
5. air pollution
6. crust, mantle & core
7. Ice

Thank you!