58
Lesson 58 of 84 · Global Connections
NGOs Making a Difference
The Mississippi River, second-longest in North America, flows from Minnesota to the Gulf of Mexico. It has been vital for transportation, agriculture, and trade for centuries.
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?