Answer:
Oriente y Occidente son direcciones ... ¿la pregunta dice más?
eso si es una pregunta legítima :)
Answer :A
“As a cold front moves into an area, the heavier (more dense) cool air pushes under the lighter (less dense) warm air, causing it to rise up into the troposphere. ... As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, and lightning.”
The Indo-European tribe called the Aryans invaded and conquered the Indus Valley Civilization, but many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change.