I don't know for sure but I think it's A.
The peasants were the lowest class.
C) steerage
Explanation:
Because a steerage accommodates for people with cheap tickets.
Answer:
The deposited ice may have melted during these recent years and hence to compensate the melted ice as a part of the isostatic adjustment, the Minnesota region may have started uplifting each year in a gradual manner.
Explanation:
Yeah, global warming does exist. Global warming, is when the earth gets hotter, when the temperature rises.