A concrete noun employs the senses of sight, touch, hear, taste, and smell. So: Bible, lamb, and tooth
Answer:
I think no 2 is the answer
It is important because the sources tell you whether the article was credible. When you have an article that has bad source, you are running the risk of having, wrong, opinionated data. This can discredit you paper if you use it.
Romeo doesn't want Juliet to be associated with the moon because the moon is less beautiful than the sun.
In fact, Romeo compares Juliet to the sun because she is out of his reach, very bright and beautiful, and is like the sun that guides him.