1. six to eight months

2. ten to twelve months

3.before one year old

I’ll try ig

Explanation:

1: would be able to smile, probably teething, can clap, be able to support themself sitting up

2: starts crawling, maybe starts babbling, can play with some toys and kinda understand them

3: should be crawling and if already maybe drifting.. starts eating more baby foods not just milk, should have first tooth at LEAST, maybe said A word.

Hope this helps

answer(d) call 911;