What does resin have that is different than inlay wax when it comes to fabrication of crowns and bridges?

Question

Quizplus · Accepted Answer

Resin has higher strength than dental waxes, which makes it a better choice for the fabrication of crowns and bridges where strength is important.

Answer: A and C 
 Resin is available as chemically cured composite resins, which means it can be cured without using heat. Additionally, resin has a higher flow than dental waxes, which makes it easier to use in the fabrication process.

What Does Resin Have That Is Different Than Inlay Wax