What happens when chemical bonds break and new bonds form?
a.) physical change
b.) a chemical reaction
c.) matter is surface area increases
d.) destroyed

Are substances released into the environment that in excess amounts cause damage

What occurs to the cell during mitosis

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success