Can we survive without the Sun. Justify your answer.

No

Explanation:

Because if the sun is no give us heat or light so we freeze our life is boring. without sun rays all work on Earth was stop, All plants would die, All animal that are really on plant for food including human would die too.

No not for long

Explanation:

It would take us about 8 minutes to realise the absence of the sun. After 10 minutes, one side of the planet would be scorching hot whilst the other would be freezing. Eventually, we would all die out.