there's this boy that i like but i dont think he has that feeling for me we act like a couple but we arent a couple please help im so lost what should i do?

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.

Which of these is not related to the teeth? a. chymob. pulpc. enamold. dentin

Which of the following must be treated under the care of a physician and is mainly considered a medical condition? a. scoliosis b. lordosis c. kyphosis d. all of the above