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
C. Drug abuse is when you become dependent on that drug and "need it to survive." People abusing drugs will do whatever necessary to get more drugs, even dangerous and illegal things. Even prescription drugs (drugs taken for medical purposes) can be abused if you take more than prescribed. I hope this helps :)
Answer:
Large bugs
Explanation:
The relative fitness on the new food source is bigger in large bugs since they have longer beaks that can reach seeds inside the seedpod of the balloon vine. These seedpods are bigger than seedpods of tree vines and large bugs are thus favored, meanwhile average size and small soapberry bugs cannot reach the seeds.
Answer:
You body shows you need water by the color of your urine.This coloring is primarily caused by the pigment urochrome, also known as urobilin. The more water you drink, and the more hydrated you become, the lighter the pigment in your urine
