Please help with these 3 questions:
1. Which of the following is NOT part of North America?
A. United States
B. Central America
C. Latin America
D. Mexico

2. An isthmus is a(n)
A. very tall mountain.
B. unique land formation.
C. body of water.
D. flat grassland region.

3. The mighty Amazon River of South America carries of the world's freshwater.
A. 2%
B. 5%
C. 20%
D. 60%

Thanks!

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