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,
According to these criteria, the service sector covered in this paper is the economic activities other than agriculture, hunting, forestry and fishing, mining and quarrying, manufacturing, utilities (electricity, gas and water supply) and construction
B. Ensures that a firearm will not fire accidentally