Because climate change is a real problem and a fact.
A run-on sentence is a sentence having two independent clauses with improper punctuation and without conjunctions. The correct answer is option b. It is difficult to understand a run-on sentence because you cannot identify where to pause or stop and that the sentence does not have conjunctions which would help in the transition of clauses.
Answer:
Quench is similar to satisfy
I think it's A
Because that is the definition if it