The equation total # of people in an area/(land) area in km2(or mi2) is used to calculate
a.
growth rate
b.
population density
c.
death rate
d.
carrying capacity

Option B, population density

Explanation:

Population density is defined as the number of individuals/organism in a per unit area of a given ecosystem.

Here in this case number of people in an area divided by total land area gives number of people living in a unit area of this ecosystem.

The formula for population density is

Where P represents the total population in a given area

and A represents the total area of that ecosystem

Thus, option B is correct.

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