Question

why we should not keep bananas in polybag for longer time use​

Answer 1

Answer:

Explanation:

They don't get oxygen

Answer 2

Answer:

Banana grow in hot climates so they are unused to the cold. If they are kept at a cold temperature the enzymes that enable them to ripen are inhibited.

And as those enzymes become inactive, other enzymes operate more efficiently.

Some cause cell damage while other cause skin to blacken.....

Hope it helps u☺