Oxygen makes up 21 percent of the earths atmosphere
Movement.
It is one of the five (Interaction, Place, Region, Location, and Movement). Movement is the transportation of goods and products.
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In ancient times, mountains were used as a natural barrier (used for protection) from the weather and neighboring countries. They're neighboring countries may go into a "great depression" and seek for new natural resources. They may acomplish this by attacking near by villages, but if you were on the other side of the mountain from them, you were safe since it is very long and dangerous expedition.
"After years of being submissive to European influence, today Latin America is a cultural and political place."
It changed after economies gradually grew and popular education increased.
Answer:b the namib desert
Explanation: