A sharp knife can cut food much more easily because  A) It produces greater pressure on the food.

(D) Fire fighters

Citrus is the cheapest food material that is easily available in our areas, it reduces the deficiency of vitamin C.

B) mass of the car > mass of the bicycle

D) Both a and b are true

A) More than the pressure exerted by a blunt needle.

C) Less surface area of contact

A) Effective pressure is more due to smaller area of contact

B) Streamlined shape

B) latent heat of vapourisation

“Zaman, can you tell me what I am teaching?” the teacher asked. “I’m sorry, sir, I can’t follow,” replied Zaman. “You can’t because you are not attentive,” the teacher said.