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Lesson 74 of 84 · Geography
Tropical Rainforests
Tropical rainforests near the equator are the most biodiverse ecosystems. The Amazon alone contains about 10 percent of all species on the planet.
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?