You selected D. Here’s how others in your region answered. Click Continue to proceed to the next question.
A
57%
B
11%
C
12%
D
20%
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Interesting fact:
Compared to animals, humans have relatively large heads at birth in relation to their height. Scientists see in our enormous skull volume the reason for the development of our consciousness. By the age of two, our brain had reached 80% the size we had in adulthood.
