The most likely thing that happened with this poor young woman who broke her leg was that she broke hte bone at a very young age and that it fully healed. C
This is so because collagen is a substance that gets secreted at the point of fracture which helps strengthen the bone. Having a higher amount of collagen at the site of a broken bone means that the bone probably healed properly and there was a remainder of collagen to be found.
The answer to this question would be <span>Some is used by decomposers, and some is released into the environment as heat.
</span>
When an organism died, decomposer can degrade some of its remaining corpses and use the produced energy. Some of the parts can't be degraded like bones.
The total energy should not be decreased as it was opposing the law of conservation of energy.