Roger has been lifting weights seriously for years. his twin brother steven does not exercise regularly. which of the following statements would be a reasonable hypothesis to make regarding differences between their skeletons?

The sensible speculation to make with respect to contracts between their skeletons is that Roger's skeleton experiences less osteolysis than Steven's, Roger's osteoblasts are more dynamic than Steven's, Steven's hydroxyapatite-collagen mix is not as much as Roger's