The answer is C, coincidentally. A wouldn't be correct because similarly is when the other group agrees. Here, two groups are disagreeing. B would fit but it would not be the most logically connected word. C means when one group agrees on something but the other group disagrees more with the decision. D would fit but it would not because there is no direct contrast. Some teachers believe that school should start later in the year and parents believe that school starts earlier in the year. Therefore it can be concluded that C is the best-fit word to be placed in the blank.
It does not absorb green light, since it is a green pigment any green light will be reflected -A
The Russian Revolution was sparked by the manner in which the people were treated and the miserable conditions in which they were living under the Tsar Nicholas II. The people were not willing to put up anymore with the poverty and unjustly treatment towards them, so led by Vladimir Lenin, they revolted. The revolution was successful at the end, and it put end to the monarchy in Russia, while it opened up the doors for the communism at the same time. Unfortunately for the Russians, the century ahead of them didn't turned out to be better, but the same, or even worse at times.
C and d have to do with the upper classes and how they (mostly) utilized labor. Populists were more concerned with how to make things work for them (a bit cynical on my part).
The progressives (particularly women and labor leaders) were very concerned about working conditions and how to improve them.
B<<<< answer
A. people began moving to urban areas because industrialization created more job opportunities
