Question

What changes had occurred, which forced people to live in underground homes???​

Answer 1

Earlier the people lived on the surface's planet. But the very sun, which provided them with sustenance, turned hostile. It changed only slightly but the change was sufficient to upset the balance of nature on the planet. First the birds and then the animals and fishes became extinct.

Answer 2

Answer:

People were forced to live in underground homes because the sun, which had provided them with sustenance, had turned hostile. It changed only slightly, but the change was sufficient to upset the balance of nature on the planet. First the birds became extinct, then the animals and finally the fishes.

Explanation:

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