Exercise intensity refers to how much energy is expended when exercising. Perceived intensity varies with each person. It has been found that intensity has an effect on what fuel the body uses and what kind of adaptations the body makes after exercise.
Answer:
This is due to light from above heuristic.
Explanation:
In light from above heuristic, they we perceive spheres and indention are altered. Our eyes are so much used to of sunlight, that we assume that the light is coming from above and creating a presumption that light on the bottom creates an indention.
This is why Jimmy perceived bumps originally when he looked the picture of the side of the submarine but later when he turned the picture upside down, what he originally perceived as bumps, now look like dents,
Copper oxide is a compound :) hope this helps.