Which option is correct for curve $a$ and $b$ ?
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Equation for equation for Type of Type of
Curve $(a)$ curve $(b)$ curve $(a)$ curve $(b)$
$\frac{d N}{d t}=r-N \frac{d N}{d t}=r N\left(\frac{N-K}{K}\right)$ Exponential curve Logistic curve
$\frac{d N}{d t}=r N \frac{d N}{d t}=r N\left(\frac{K-N}{K}\right)$ Exponential curve Logistic curve
$\frac{d N}{d t}=r N \frac{d N}{d t}=r N\left(\frac{K-N}{K}\right)$ S-shaped curve J-shaped curve
Both $(b)$ and $(c)$
In India, the population growth
Main factor in increasing the population is
The formula of growth rate for population in a given time is
Comment on the growth curve given below.