Question

. Answer in one or sentence(s)"It is difficult to cut vegetables with a blunt knife" — explain the reason by applying the concept of pressure. 3.2 How does pure blood reach the left ventricle from the lungs?​

Answer 1

Explanation:

Blunt knife has a lot of surface area in compared to a sharp knife. The pressure decreases if the surface area increases. Hence, it is difficult to cut vegetables with a blunt knife.