Question

Why did the children begin to walk back? Why did their smile vanished away? (All summer in a day)​

Answer 1

Answer:

The absence of sunlight had turned Venus into a tangled and inhospitable wasteland—just as it seemed to have made the children unruly and cruel. ... The sun fades and the wind begins to rise as the children turn and begin to trudge back to the underground classroom, smiles vanished

Answer 2

Answer:

the children begin to walk back because a few drops of rain fell on their cheeks .Their smile vanished away because the sun faded and a cold wind began to blow

Explanation: