I need help someone please

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.