Question

why is it that in summer only, the hair used for making wool are removed?​

Answer 1

The wool yielding animals have a thick coat of hair on their body to keep them warm during cold winter season. The hair trap a lot of air. The hair of these animals is removed only once in a year at the beginning of summer season. They can't survive in hot weather without hair.

Answer 2

Answer:

The hair of these animals is removed only once in a year at the beginning of summer season.Because they can't survive in hot weather without hair.