7
Lesson 7 of 84 · Global Connections
Global Health Challenges
The water cycle moves water between Earth's surface and atmosphere: evaporation turns liquid to vapor, condensation forms clouds, and precipitation returns water as rain or snow.
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?