Answer:
I would say C is the answer
The correct version of these two sentences when combined is:
When we were in Europe on vacation, we usually flew on airplanes: however, sometimes we took the train.
We apply the semi-colon to indicate that they have different ideas, and that they are clauses being joined into one sentence.
Paradox; a statement or proposition that, despite sound reasoning from acceptable premises, leads to a conclusion that seems senseless, logically unacceptable, or self-contradictory.
Oxymoron; a figure of speech in which contradictory terms appear in conjunction.
Hope this helps :D
The cerebellum is part of the hindbrain in vertebrates. It lies between the brainstem and cerebrum in humans and helps regulate motor movements, helps us perceive senses and coordinates voluntary movements like posture and balance.