73
Lesson 73 of 84 · Regions
Physical Regions: Mountains, Plains, Coasts
Deserts cover about one-third of Earth's land. The Sahara is the largest hot desert; Antarctica is technically the largest desert because it gets very little precipitation.
Key Facts
1
There are five major oceans.
2
Climate differs from weather.
3
Natural resources are limited.
Check Your Understanding
Question 1
1 of 2What are natural resources?