What do you mean by environmental health?

Witch system has the main function of the body defense

Mario’s is heavily addicted to smoking but wants to quit. what can he use to reduce the painful effects of withdrawal

Frankie is having difficulty developing a friendship with histeammate curtis. whenever frankie invites curtis to hangout with him at the park, curtis always says that he's busy.what is most likely preventing a healthy relationship fromforming? a)the boys are not being generous with their time andeffort.b)the boys are not communicating.c)both boys are too busy.d)the boys are on different teams.