Can someone please help me?

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

Hot5, endomondo, gympact, and runkeeper are popular a.) energy drinks b.) vigorous-intensity exercise c.) fitness apps d.) moderate-intensity exercise e.) fitness tests

Which of the following mental illness does not begin during adolescence? a. post-traumatic stress disorder b. obsessive-compulsive disorder. c. schizophrenia. d. addictions