Answer :
Option A is your answer
Attribution theory refers to how the social perceiver uses information in trying to explain casual events in everyday life. This primarily discusses as to how the information gathered are combined with in order to create a casual judgment. According to Heide (1958), people are like naive psychologists who are trying to figure out how and why things happen. For example, if someone with a bad family background succeeds, people will say that he used his struggle as a motivation and if he fails people will say that he succumb to the challenges.
Your answer is a: how DNA is formed.
If you push a truck and push a car with the same force, the car will have more acceleration than the truck, because the car has less mass.
It is easier to push an empty shopping cart than a full one, because the full shopping cart has more mass than the empty one.