Answer:
Margot is unhappy on Venus because she came from Earth and misses the sun.
The story takes place on Venus, a planet where it rains almost all of the time. In fact, the sun has not come out in seven years. Margot, however, came from Earth five years before the story starts. That means that unlike the other children in her class, she remembers what the sun looks like. She misses it terribly
Explanation: hope this helps! :)
