Whose exploratory behavior would most likely involve mouthing an object to learn more about it?

I believe the answer is: 2-month-old Rachael

Between the period of 1-5 months old, infants would often made various attempt to understand the relation between their physical being with the environment around them. It is very common  for infants at this age to grab everything near them and put it in their mouth as an attempt to observe the objects

Many citizens are in danger of contracting a food-borne illness.more people are living with chronic illnesses.pathogens are becoming stronger and harder to defeat.