Jeff's car broke down and smoke started rising from the engine. He felt lucky to have broken down while parked in the center of town during lunch when many people were outside and could help. However, 30 minutes has passed and despite the heavily populated area, nobody has offered assistance. This is an example of the .

Bystander effect

Explanation:

Bystander effect is a theory which states that individuals will less likely get any form of help when faced with a problem even with the presence of people. The theory further explains that the higher the number of people present, the less likely any body will offer to help out.

This explains why no one offered to help Jeff even when he was in an area which was densely populated.

b) the planets year length would be longer

hope this !

it apply by theyre artifacts