Write the two causes of human population explosion

Write the two causes of human population explosion. Explain with the help of suitable examples how this explosion can be checked.

(a) The declining death rates due to improved medical facilities.
(b) Desire for a male child.
© Less awareness about birth control methods.
(d) Dletracy / poverty
Population explosion can be checked:
(i) By using contraceptive methods to avoid pregnancy.
(a) Contraceptive methods are used such as
(i)mechanical barriers (it) drugs (as pills) (iii) loop
or copper-T and (iv) surgical method.
(ii) Pills change the hormonal balance and thus prevent the release of egg, hence fertilization is prevented.
(iii) By spreading awareness about the importance of small family. This is because an expanding population makes it harder to improve everybody’s standard of living.