What effect does 'noise' have in the communication model?

A) It distorts and obscures the sender's intended message.
B) It prevents the sender from forming a message.
C) It helps the sender to select a more appropriate medium to transmit the message.
D) It helps the receiver to decode the message more carefully.
E) The concept of 'noise' does not apply to the communication model.

Noise refers to any interference or obstacle that may distort or obscure the sender's intended message. This can include physical or environmental noise such as loud noises or poor lighting, as well as psychological or semantic noise, such as cultural or language barriers. The presence of noise can hinder effective communication by making it difficult for the sender to convey their intended message and for the receiver to accurately decode it.