Baby continue making sounds. like we describe bike sound or motor with slyva

A. Each baby is different in achieving milestones as each baby is different Babies head stability 1 month to 5 months Babies roll one side by 2-4 months Babies sit with support 5-8 Babies sit on their own 5-9 Babies crawl 6-11 Babies stand with support 6-11 Babies walk with support 7-13 Babies walk without support 9-17 months Babies speak in different time frame Cooing 2-5 months Balling monosyllabic vocab 5-9 months Meaningful words 7-15 months Two word vocab 8-18 months Frame sentence of two words 12-18 months Try to copy language 15 months -2 years Can frame what u ask 18- 2.5 years