a. extraneous data is that which is not important for the specific information you are seeking
Physical Noise is a type of noise is associated with distractions that result from a loud environment.
<h3>What is Physical Noise?</h3>
Physical noise is refer any form of environmental stimulus or noise that causes distraction and hinder people from receiving message or information communicated to them.
Examples of physical noise is when people are talking in the background or background music, causing a noise and hindering someone from getting the necessary information from a conversation.
Therefore, Physical Noise is a type of noise is associated with distractions that result from a loud environment.
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brainly.com/question/1972675
Answer: Fair Use
Explanation: Fair Use is the law that allows one to use a copyright material without the prio knowledge of the owner within a specified limitation. Some of the fair use situations are; protected material are been used in schools for research procedures, when a material is being copied to be reviewed (criticizing or commending). Judges normally take a look at some certain factors before one is said to be eligible for a fair use on copyright materials and this includes; reason for using the materials, the amount of the material used, nature of the material and the effect on its market potential.
