1. Population

3. Calculate
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4. 1. 2.
Three ways 3.
of increase in Increase in Decrease in Immigration
population: number of number of >Emigration
birth. death.

5. The natural rate of
increase in a population
is the difference Birth rate - Death rate.
between the birth rate
and death rate.

21. Increased consumption of
scarce natural resources such
as trees, open space and
water…
Pollution…..

24. 3billion
40% in 21% in 39% in
agriculture secondary service