47
Lesson 47 of 84 · Geography
Grasslands and Savannas
The Arctic is mostly frozen ocean; Antarctica is a continent covered by ice up to three miles thick. Both polar regions are affected by climate change.
Key Facts
1
Natural resources are limited.
2
Geography affects how people live.
3
Earth has seven continents.
Check Your Understanding
Question 1
1 of 2What is the difference between climate and weather?