10-13 years normally.
Hope this helps, and good luck!
C. personal study________________
B. Tendons connect muscles to bones.
I hope this helps:)
The first years of life is the period to acquire speech as well as language skills. It would be best develop with sounds as well as sights and constant exposure to the language and speech. There are 4 language skills namely listening, speaking,writing and reading in which the 2 latter ones are not develop during infancy.
