They are sources that you can find the date, author, and have real facts and not just made up. Like if you went to the IRS website then that is a credible source for tax where as going to Wiki they are not credible because anybody can go there
Answer:
C. A dog endures hardship but ends up going back to where he is meant to be.
The answer to this question the letter "D" which is the Natural Beauty. She was mesmerized and amazed on how the moon moves as she moves. It gives her light since it was the setting of the passage is at night time. Her shadows keep following him it is because of the moon's light reflection to her and keeps moving as she moves. She appreciated the beauty of the moon which can be seen only during in time of darkness.
Rosetta Stone is used to teach languages