Answer:
Yes, chemicals are very essential in our body.
Hope it helps u ^^
A 5 year old needs alot initiative, he /she needs to understand the world and its features, needs to learn new things every day. This is why a 5 year old asks almost 24 questions every hour.
1. is I
2. is H
3. is G
4. is B
5. is C
6. is J
7. is F
8. is E
9. is D
10. is A
