Sentence B is the correct option. When using "however" to write a compound sentence, we should write a semi-colon before and a comma after it. When "however" is used at the beginning of a sentence, we should write a comma following it.
One potential theme of the
novel may be science is important and should be valued. This statement is
universal in nature which is a characteristic of theme. Theme should be
understood by readers regardless of nationality, race, age and background. The other
choices are false and only the first choice makes sense. All the rest are very
limited or biased.
To disconnect two pipes, Maxine needed to use a wrench
I believe you can make two words from brjwy.
by and wry