44
Lesson 44 of 84 · U.S. Regions
Major Cities and Their Regions
Volcanoes form at tectonic plate boundaries. Eruptions produce lava, create islands like Hawaii, and produce fertile soils used for farming.
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?