Question

Q.1 (A) What is a noise?
(B) Nicky and Valody are brothers.
Who is younger and who is elder?
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Answer 1

Answer:

a sound, especially one that is loud or unpleasant or that causes disturbance is called noise

Answer 2

Answer:

1. Noise is unwanted sound considered unpleasant, loud or disruptive to hearing. From a physics standpoint, noise is indistinguishable from desired sound, as both are vibrations through a medium, such as air or water. The difference arises when the brain receives and perceives a sound.
2. Nicky is younger and Valody is elder