Question

Help please! (Easy question) I think it's D

2. By age 6 a child’s brain is about what % as compared to an adult brain?

A. 70%
B. 80%
C. 60%
D. 90%

Answer 1

I am pretty sure it’s D. 90%


“A newborn's brain is about a quarter of the size of the average adult brain. Incredibly, it doubles in size in the first year and keeps growing to about 80 percent of adult size by age three and 90 percent — nearly full grown — by age five.”

Answer 2

It would definitely be at 90%