What geographic factor led to the agricultural revolution? Rainfall around the world declined as the Ice Age ended.
Rainfall around the world increased as the Ice Age began.
Warmer temperatures occurred as the Ice Age ended.
Cooler temperatures occurred as the Ice Age began.

warmer temperatures occurred as the ice age ended  

Explanation:

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studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).