Question

the tail of comet does not always remain in existence​

Answer 1

The tail of the comet does not always remain in existence because the tail is formed due to the evaporation of ice present in the comet and this happens only when it is close to the sun. Ans: There are numerous clouds of dust and gases in the space

Answer 2

The tail of the comet does not always remain in existence because the tail is formed due to the evaporation of ice present in the comet and this happens only when it is close to the sun. Ans: There are numerous clouds of dust and gases in the space