Final answer:
Chemical reactions are integral for shaping substances and materials as they alter properties and structure. Temperature significantly affects chemical reactions by increasing reaction rates, but extreme temperatures can lead to the denaturation of biological molecules.
Step-by-step explanation:
To answer the question Understanding the effects of which of the following will help create any desired shaping, it is important to acknowledge the role different factors play in many processes. In this context, chemical reactions are crucial as they can completely alter the properties and structure of materials. For example, when baking bread, it's not the room temperature or the humidity that directly causes the dough to rise and harden; instead, it is a series of chemical changes facilitated by heat.
Furthermore, when it comes to temperature's effect on enzymatic activities or reaction rates, chemical processes are often accelerated with increased temperatures. The same is true for molecules in a substance; higher temperatures can increase their velocity, consequently affecting evaporation rates, which is particularly relevant to moisture-related scenarios. However, extreme temperatures can also lead to the denaturation of biological molecules such as enzymes, showing once again the profound impact temperature and chemical reactions have.