Question

Give scientific reason:
whyCovering of walnut is hard.​

Answer 1

Answer:

This property gives the walnut shell its higher tensile strength, making it much harder to crack, the researchers reported last month in Advanced Science . That's because any crack passing through the walnut shell must cut through the cells themselves, rather than simply pulling them apart at the joints.

Answer 2

Answer:

The cover of walnut is hard because of to protect the seeds and then only new plant and it would exist in the earth. The cover of walnut is that's why made up of hard cells just like the cells of coconut shell.

Explanation:

Hope it helps.