How are oceans and rivers barriers to human trade, movement, and migration?

Check all that apply.

A. They are a natural boundary.

B. They divide landmasses.

C. They can be hard to cross or navigate.

D. They might be hard to get to like the Amazon.

Question

16 September, 18:16

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Answers (1)

Know the Answer?

Phoebe Bryan · Answer 1

I think its A. but not completely sure.

How are oceans and rivers barriers to human trade, movement, and migration?Check all that apply.A. They are a natural boundary.B. They divide landmasses.C. They can be hard to cross or navigate.D. They might be hard to get to like the Amazon.