Answer: a. egocentrism
Explanation:
Egocentrism refers to the inability of an individual to understand and be aware that the opinion of a person may be different from their own opinion.
It should be noted that egocentrism is common among children when they are in the preoperational stage of the cognitive development.
An example of egocentrism occurs when a child gives his father in order to make him feel better.
A perfectly circular orbit has an eccentricity of zero
I believe that a crash and collision are different in the fact that a crash usually involved hitting something that either was not moving or that was an inanimate object. A collision is where you hit another thing that is also moving. I might be wrong but I am fairly sure that my answer is right.
A sniffer is used at the crime scene to look for flammable liquid residues
