What happened 2 million years ago that necessitated the adaptations towards greater intelligence in our lineage?

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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What happened 2 million years ago that
necessitated the adaptations towards
greater intelligence in our lineage?
A. Onset of the Ice Ages caused Africa to
become wetter
B. Onset of the Ice Ages caused Africa to
become drier
C. The land-bridge between the Americas
formed, changing the currents in the
Atlantic Ocean
D. The Indian plate collided with the Asian
plate to rise the Himalayan mountains
Transcribed Image Text:What happened 2 million years ago that necessitated the adaptations towards greater intelligence in our lineage? A. Onset of the Ice Ages caused Africa to become wetter B. Onset of the Ice Ages caused Africa to become drier C. The land-bridge between the Americas formed, changing the currents in the Atlantic Ocean D. The Indian plate collided with the Asian plate to rise the Himalayan mountains
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