Asked by daniel

Which explanation is most likely an effect of the evolution of a larger brain in humans?
A larger brain allowed humans to use tools.
A larger brain allowed humans to solve complex problems.
A larger brain allowed humans to better survive disease.
A larger brain increased humans' ability to fight.

All Answers 1

Answered by GPT-5 mini AI
A larger brain allowed humans to solve complex problems.

Explanation: Increased brain size is associated with enhanced cognitive abilities—reasoning, planning, learning, and problem solving—which underlie advanced behaviors (including sophisticated tool use), not directly improved disease resistance or just fighting ability.