A- One benifit is that if the mother was poor, she could save some money and maybe give her kid a better life
She might nelgect the child or abuse him/her, and living life with a caring guardian is better
B- They might want to have a person or thing to care for, or a small bundle of joy as they call it
They might to help a child in need and love them like their own child
Answer:
the esophageal sphincter
Explanation:
This muscle opens and lets food and liquid enter the stomach and closes to prevent the food and liquid from leaking back into the esophagus, however if it is not working properly it could open and close at the wrong times