Question

I want this answer urgently please

Answer 1

Answer:

hy dude here is ur answer

Explanation:

12. water is universal solvent

14. H20

15. molecules

16.bad conduct of heat

17. option d is correct

18.c is correct

21.c is correct

Answer 2

Answer:

1. water

2.kill germs in it

3.(c) H2O

4.compound

5.(d)

6.both gases

7.---

8.all of these

9.water cycle

10.none of these

11.oxygen