Among the choices, option B. Hasn't, is a singular contraction. "Hasn't" is the shortened word for "has not". The rest of the choices are plural contractions: Don't from do not, Haven't from have not, and Weren't from were not.
Evenness means an equality between two species, or to sets of variables in mathematics, so evenness of mind and temper would be a tranquility or peace between these two parts of your body.
A ten letter word with this meaning is Equanimity.
Definition: mental calmness, composure, and evenness of temper, especially in a difficult situation.
Answer:
Print and blackboards/whiteboards
Explanation:
When objects are put in print you can revisit certain areas where you may be confused and ask clear questions about that part.
Blackboards and whiteboards allow you to see everything in front of you and point to certain areas.
