I'm pretty sure it is a metaphor
The answer to your question would be that the sentence that demonstrates the correct use of a conjunctive adverb is the following one: Lisa cleaned the Kitchen this afternoon; meanwhile, Donovan dusted the living room.
In this case, the conjunctive adverb "meanwhile" has been used as a coodinating conjunction to join two independent clauses. You need the semicolon to connect the two clauses.
Physical science because when I was in grade 9 I was interested in science that's why I studied science
What’s the theme, maybe write it down?