Question

solve the problem of these questions​

Answer 1

Answer:

1. B . combination reaction
2. C . mucus
4. B .cloudy days
6. B .red
7. Dobereneir
9. water
11. 3 x 10 ^8
13. true
14. false
15. true
16. true
17. hsh
18. 3 to 5 days
19. potassium and sodium
21. direction of magnetic feild
24. Reuse , Recycle , etc