Respuesta :
Hey there :)
By the age of five, a child's brain weighs 90% of an average adult's brain.
By the age of five, a child's brain weighs 90% of an average adult's brain.
A child isn't dumb you know ;)
The answer would be 90%.
Hope this helps !
Photon
The answer would be 90%.
Hope this helps !
Photon