A seems to be more correct, I assume!
Answer:
identifying important words and phrases
Explanation:
If you identify critical words and phrases, you can essentially narrow down what you want to speak about in your summary as those critical words and phrases carry a heavy weight and highlight the overall theme of the plot.
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.
Answer: How did the materials the Wright brothers chose contribute to the success of their first powered airplane?
Explanation: This both asks a basic question (what materials were used?) and a more complex question about the consequences of the answer to the original question.
