Which of the following elements are needed for the completion of classroom communication?
(A) Source
(B) Noise
(C) Content
(D) Receiver
(E) Feed back
Choose the correct answer from the options given below:

Correct option is C

The essential elements for the completion of classroom communication include:
Source (A): The teacher or speaker who initiates the communication process.
Content (C): The message or subject matter that is being communicated.
Receiver (D): The students or audience receiving the message.
Feedback (E): The response or reaction from the receiver, which completes the communication loop by allowing the teacher to gauge understanding and adjust the message accordingly.
Noise (B) is not an essential component for completing communication, but rather a factor that can disrupt communication.