Biology, asked by swali, 1 year ago

What makes peach seeds and nutshells hard? Why?

Answers

Answered by Anonymous

it is because of the outer coverings.the outer one is called as exine,which is made up of sporopollenin and the inner one is known as intine made up of cellulose and pectin.

Answered by Annabeth

mineral contituenstas present in them

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