The human population growth curve of today is:

When the reactions are not growth limiting,the growth curve is . . . . . . .

Which of the following is $NOT$ applicable to population growth?

The formula for exponential population growth is $:-$

Sigmoid growth curve is represented by

$A$: Environmental resistance operates to slow down the exponential phase in logistic population growth.
$R$: $A$ crash phase does not occur in this population.