The answer is the third one
There is a Fox a beetle and a bird and grass
Answer:
the gas bladder in fishes as it can help them to maintain their buoyancy in water
The answer using the formula f=1/T is f=1/5 which is 0.2hertz
Answer:
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.