Question

Plz clear the confusion on birth rate and death rate and also the no. of END in human body the death rate of END is 20 million per minute

Answer 1

Birth rate -No. Of birth take in an year. It is positive t population
Death​ rate - no of people died I an year. It is negative to population.
End in human body- it death taken per unit time. Or no. Death per second.
death rate of END is 20 million per minut-every
20million people died in 1 min.