many types of animals have internal skeletons a large part of these animals masses located in them bones as an animal grows its skeleton grows a growing animal must increase the size of its bones to do

many types of animals have internal skeletons a large part of these animals masses located in them bones as an animal grows its skeleton grows a growing animal must increase the size of its bones to do this animal needs lots of calcium an element important to do structure of Bones how can a growing animal get calcium to make new bones tissue? A-by removing calcium from the air B- by consuming food that contains Calcium C- by making calcium from other elements D- by removing calcium from the bones

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