During an exothermic reaction, the energy given off comes from
a. atoms being consumed
b. mass being turned into energy
c. the breaking and forming of bonds
d. mass being created

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

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.

All eukaryotic cells contain small bodies called