3. Mountains, continents, oceans, streams, and valleys are all part of which of the following?

A. Social
B. Political
C. Economic
D. Geographic



Answer :

Final answer:

Geography explains how physical features like mountains impact political boundaries and social realities.


Explanation:

Geography is the subject encompassing mountains, continents, oceans, streams, and valleys as part of physical features of the Earth. These features influence political boundaries, social realities, and economic trading zones. For example, mountain ranges often serve as natural borders between countries.


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