True or False? 80% to 90% of children's brains and attitudes are formed in the first 5 years of life, a child's opportunities are affected by their homes and communities, their experiences and their exposure to knowledge

true

Explanation:

True!

Explanation:

85 percent

At birth, most neurons the brain will have are present. By age 2, the brain is 80 percent of its adult size. By 5, 85% of the brain is developed.

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that is wrong, its not thymus.