Question

The population explosion in 1970s was
caused by
a) Rising death rate and falling birth rate.
b) Sharply falling death rate accompanied
by high birth rate.
c) Sharply falling death rate due to
advances in medicine and rising birth
rate because of better standard of living.​

Answer 1

Answer:

The world's population increases every year because the global birth rate exceeds the death rate. For example, in 2000–2005 population size increased at a rate of 1.17 per cent per year, which equals the difference between a birth rate of 2.03 per cent and a death rate of 0.86 per cent.

Answer 2

b is the right answer for your question