population and urban isusses Flashcards
revision
1
Q
how many humans are there on earth
A
7.5 billion
2
Q
when did the population start to grow rapidly
A
1800
3
Q
what does a population pyramid show
A
shows us how many males and females are in a country and how old
4
Q
how may a country have a high life expectancy?
A
better health care, vacinations ect
5
Q
what is a ageing population?
A
an ageing population is a population mostly made up of old people a reason for this is because women arent having babies
6
Q
A
