4
Lesson 4 of 84 · Global Connections
World Hunger and Food Security
Rivers carry water from high ground to the sea. The Nile, Amazon, Mississippi, and Yangtze support agriculture, transportation, and millions of people.
Key Facts
1
Geography affects how people live.
2
Earth has seven continents.
3
There are five major oceans.
Check Your Understanding
Question 1
1 of 2Which is the largest ocean?