It is easy to burst a gas-filled balloon with a neelde than with a nail. It is because

Options

A. nail is more longer than needle.
B. nail exerts more pressure than needle on the balloon.
C. needle exerts more pressure than nail on the balloon.
D. gas is reactive with the needle.

Answer

C

Explanation

Proteins from animals are called .first class. proteins - they provide all the essential amino acids, including those that the body can.t make. Proteins from plants are .second class. proteins.