Answer:D
Explanation:The reason is because a chemical change is that happens due to a type of chemical such as a oven or microwave heating it up and dough is heating up and forming crust and you can’t change it
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.
<span>This statement is false. When breaking down polymers into monomers, the reaction that takes place is hydrolysis.
Remember when combing monomers the water is taken out dehydration, when breaking them up, you have to add a cleaved water molecule, and the breaking of water is hydrolysis.</span>
The first one would be temperature and salinity
the second one is convection.