Trending News
Promoted
1 Answer
Relevance
- ?Lv 72 months agoFavorite Answer
Because different parts of the brain develop at different rates, and it's not the same for every child. It's also common for babies & toddlers to temporarily "regress" on skills they previous had either due to a major life change, or the process of going through another developmental milestone.
Still have questions? Get your answers by asking now.