Answer:
I think option B would be more accurate aND effective and easy for everyone to show Earth surface. No need for any other stuffs globe will do everything fine.
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C. Protractor is used to determine the exact location you are in using longitude and latitude
Answer: this could affect trade by blocking the trade route and slowing down the trade. Russia could work on a different type of transportation source for the traders to pass through
Explanation: btw ur pfp is amazing XD
Air mass, letter a is the correct one