North America’s population. The Arctic Ocean
Answers are for parents and teachers.
1
Mark the densely and sparsely populated parts of North America on a blank map.
Dense — the east and Great Lakes shore with big cities; sparse — northern Canada, tundra and taiga.
2
The population was 578 million in 2016 and is about 600 million now. By how many million has it grown?
22
3
Write two features of the Arctic Ocean.
The smallest and shallowest ocean; covered by multi-year ice and very cold.
4
Why does shrinking ice in the Arctic matter to the world?
Ice reflects sunlight; when it melts Earth warms, sea level may rise, new sea routes open and animal habitats are lost.