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Population and Its Growth

indicates the...

Question

___________ indicates the number of deaths in a particular population per 1000 people in a year.

A

Birth rate

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B

Migration

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C

Death rate

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D

Pull factors

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Solution

Population is a dynamic phenomenon that undergoes changes in its number, distribution, and composition. The death rate is a population measure; it indicates the number of deaths in a particular population per 1000 people in a year.

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Q. ___________ indicates the number of deaths in a particular population per 1000 people in a year.

The number of deaths per 1000 people in a year is called

Term for the number of deaths per 1000 people of the population per year.

Q. A country's birth rate is the number of births per year per

1000

people in the country, and a country's death rate is the number of deaths per year per

1000

people. Immigration refers to the number of people who move into a country each year, and emigration refers to the number of people who move out of the country each year. A country's population growth is determined by these four variables. Table

1

gives birth, death, immigration and emigration rates in four countries and lines

1 - 4

1

model in the population for the four countries shown over time.

	Birth	Death	Immigration	Emigration
East Zealand	$20$	$x$	$1000$	$1000$
West Zealand	$21$	$21$	$12100$	$y$
South Zealand	$36$	$24$	$z$	$500$
North Zealand	$13$	$13$	$82000$	$9600$

Name the country whose population is represented by line

1

.

Q. In a particular area, the initial population was 1000 in the year 2014. There were 50 births and 75 deaths in the same year. 200 people migrated into this area while 75 moved out of this area in the year 2014. What was the population of the area at the beginning of 2015?

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