PLS HELPPP I NEED HELP WITH 1 AND 3

ha well ok then answer is I didn't know that was a little bit of time with the answer is

Babies communicate from birth, through sounds (crying, cooing, squealing), facial expressions (eye contact, smiling, grimacing) and gestures/body movements (moving legs in excitement or distress, and later, gestures like pointing.)

physical, cognitive, emotional and social. Human development is comprised of four major domains: physical development, cognitive development, social-emotional development, and language development