GIVING OUT 30 POINTS!! Which element provides strength to bones?
A.) sulfur
B.) phosphorus
C.) nitrogen
D.)hydrogen

B

Explanation:

Phosphorus, along with calcium and Vitamin D, work to keep the bones in our bodies strong. It is important to keep phosphorus and calcium levels in your body balanced because if there is too much phosphorus, your body will take calcium from the bones to try and keep everything balanced.

i think its c

independent

the rigid outer part of the earth, consisting of the crust and upper mantle is the lithosphere.     answer   crust and outer part of the mantle.