Answer:
Volume
Explanation:
The volume of speech varies from one speaker to another and answers why some talk softly while some speak loudly. It is the volume of speech that determines the loudness of sound. In an oral presentation the first prerequisite for a speaker is to consider if the sound can be heard by each one of the audiences. Microphones may cause volume problems either by producing distracting echo effect or by making speech volume too low. As per the question, Derek needs to work on his volume of speech.
Your correct answer would be D.
I believe the answer is: <span>they are based on scientific principles
Forensic linguistic is the process of collecting spoken data to be scientifically Forensic archaeology on the other hand refers to the process of applicating the knowledge in a certain culture/social setting in order to analyze the remains that left in crime scene.</span><span /><span>
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