41
Lesson 41 of 84 · Global Connections
Endangered Species and Biodiversity
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
Earth has seven continents.
2
There are five major oceans.
3
Climate differs from weather.
Check Your Understanding
Question 1
1 of 2How many continents are there?