Below diagram indicates
When environmental conditions are favourable, then population growth curve will be
Assertion : In sigmoid growth curve, population finally stabilizes itself.
Reason : Finally, the death rate increases than the birth rate.
Study the figure and identify $A$ and $B$
If birth rate is $100 ,$ death rate is $10$ and number of individuals in population group is $1000 ,$ then what will be the percentage of natural growth rate?