Pull Of Gravity , that is why you have weight or else without gravitational pull you only have mass hence the equation w = mg
Hey! they are usually single celled!
hope this helped xoxo
The answer is young child.
Nasal regurgitation it's when the food regurgitates out of the nose.
This is more likely to occur in babies/ young children with some birth defects in the soft palate, or if they have a cleft lip. Those birth defects, usually, get fixed with surgery when they are still children, that's why is less frequent after that age.