Question

1. which of the following lives in the soll?
(a) crocodile (b) earthworm
(c) squirrel (d) dog
2. Balance of oxygen and carbon dioxide in air is maintained by
(a) plant (b) animals
(c) both (a) and (b) (d) one of these
3. Burning of fuels produces
(a) fog (b) smoke
(c) smog (d) rain
4. Which of the following is a clean fuel?
(a) CNG (b) coal
(c) diesel (d) kerosene oil​

Answer 1

Answer:

1. Earthworm
2. both a and b
3. smoke
4. CNG

Answer 2

Answer:

1 (b) earthworm

2 (c) both a and b

3 (b) smoke

4(a) CNG

please mark as brainliest.