Question

what is the chemical substance that makes the cell of sclerenchyma hard??
PlZ tell I will mark the person brainlist who will give me the appropriate answer ​

Answer 1

Answer:

$\huge\bold\green{lignin}$

Answer 2

lignin

Sclerenchyma tissue possesses long, narrow cells with thickened walls. They possess secondary walls made of lignin. Lignin is a chemical substance, which acts as cement and hardens them