Question

Pls help me do this If u know the answer. Don't spam otherwise I will report. It's science of class 6 ncert. (cbse) ​

Answer 1

Answer:

breathing s the process of taking oxygen in and echeling carbon dioxide out

2) respiration is the process where breakdown if food take Place

Answer 2

Answer:

11. 4000metre

13.two

14. nitrogen

15. carbon monoxide

I don't know the others

hope it help ful