The rule is that when the conjunction and is used to connect two independent clauses to create one compound sentence, there should always be a comma before and. Having this in mind, the correct answer is the first choice - The library of congress houses over 147 million items, and it is the largest library in the world.
It pretty sure it stands for dimensions.
Hope it helps
Independent news sources should be evaluated as closely as independent news stations
Answer:
You should provide a picture of the question
Explanation:
The statue of Minerva, i think