Assertion: In a population birth rates refers to per capital birth and death rate refers to per capita deaths.
Reason: The birth and death rates expressed in change in numbers (increase or decrease) with respect to the members of the populations.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.