What are the govermental and and non governmental organizations working in the field of awareness and what are the measures taken by them

Health care department and NGO'S.

Explanation:

The governmental and and non governmental organizations such as health care department and NGO'S which is working in the field of awareness of controlling population. Both health care units made by government and different health care related NGO's provide awareness to the men and women for the benefits of controlling population and family planning so due to this awareness of governmental and and non governmental organizations can help in controlling population.

c. heat from the poles back down towards the equator.