Question

An important requirement for ife on this planet: it can be fresh or salty​

Answer 1

Answer:

The poet says that once he was in a sad, depressive mood and was sitting under a hemlock tree. A crow, sitting on the same tree, shook off the dust of snow i.e., small particles of snow that remain on the surface after the snowfall, on the poet. This simple action changed the poet’s mood. He realized that he had just wasted a part of his day repenting and being lost in sorrow. But the change in his mood made him realize that he should utilize the rest of the day in some useful activity. His sorrow was washed away by the light shower of snow dust. His spirit was revived and he got ready to utilize the rest of the day.

Answer 2

The requirements are The standard definition for a habitable planet is one that can sustain life for a significant period of time. As far as researchers know, this requires a planet to have liquid water. To detect this water from space, it must be on the planet's surface.

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