Answer:
(d) Tailed Star
Explanation:
The solar system are planetary bodies made up of the Sun and nine planets which rotate around the sun or have revolution around each other to cause seasons of the year or climatic conditions.
The Morning Star and Evening Star are used to describe Venus, one of the planets. The Pole Star is another member of the solar system, but the Tailed Star is not a member of the solar system.
The astronomical event that represents the great serpent mound is Halley's Comet.
I am not completely sure what this is asking but I believe it would be. That the evidence would be that the fish would be getting less oxygen hence causing noticeable breathing problems (probably best spotted by looking at the lungs).
