Question

Advantages of eating slate pencils.. Only advantages not disadvantages understand!!​

Answer 1

Slate pencils contains calcium carbonate and it may be harmful when it is taken in excessive amount,then it may cause stone formation in kidneys. The continuous craving for eating inedible substances (like chalk, slate pencils etc) is known as Pica. It is one of the features of Iron deficiency anemia. but it is not harmful when it is taken in les. amount of it.

Answer 2

I don't think there is any advantage of doing so but in Liu some disadvantage may became a point to be focused on