The two major controls system are Nervous system and Endocrine system
Answer:
Ozone layer saves the earth from the ultraviolet rays of sun which is harmful for earth. It is situated jn upper atmosphere and saves earth. But thus chlorofluorocarbons destroys the Ozone Layer in the atmosphere.
Explanation:
C. Eubacteria and Archaebacteria
Answer:
d. sewage treatment and nitrous oxide
Explanation:
