Explanation:
Heat makes many solids, especially metals, softer and easier to shape. As the temperature rises, most solids eventually melt to the liquid state. ... Heat can trigger chemical reactions between mixtures. In an oven, heat changes a cake mix from a sticky liquid into a fluffy solid.
Answer:
The material has bonds between sulfur atoms that break when exposed to ultraviolet rays. The material becomes flowy and fills the cracks on the surface. The bonds reform when the ultraviolet rays are stopped.
Explanation:
Correct answer off Plato/edmentum.
