Why does a tree die if the cambium is cut off in a circle around the trunk of a tree?

What is true about the roles you have in your family?family roles only exist within a household. roles you have are the same even outside of the home. roles remain the same despite changing age. roles you have change with age, experience, and knowledge.

Hand washing is an important behavior that can cut down your chances of becoming sick with a communicable disease. select the best answer from the choices provided. t f

Can someone give me one specific health problem, and explain it. !