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.
It is the knowingly act of falsifying an affirmation to tell the truth or giving a false statement under oath, wether be spoken or written when that affirmation can influence the legal result of an official proceeding, this is also know as PERJURY, this is different from false swearing because in this case, this is not an oath required by law, is made voluntarily, and its purpose is not necessarily to influence or mislead anyone.
Answer:
agonist; antagonist
Explanation:
An agonist is a chemical or a substance which initiates a psychological response when it binds with the receptor. It combines with a cell receptor to produce certain reaction which is typical for that substance.
An antagonist is any substance that interferes with response.
Agonist and antagonist functions opposite to each other. An agonist is used to produce an action whereas an antagonist is used to oppose any action.
In the context, the use of Ecstasy increases serotonin in the synapse whereas the use of Trazodone opposes the effect of serotonin. Here Ecstasy works as a serotonin agonist while Trazodone is a serotonin anagonist.