disengagement- the action or process of withdrawing from involvement in a particular activity, situation, or group.
Googles answer. look it up!
https://en.oxforddictionaries.com/definition/disengagement
The correct answer is chromatic alterations.
Chromatic Alterations or Chromaticism is defined as the altered pitches that are found outside the range of a certain musical composition. The symbols used to show chromatic alterations are known as "accidentals". Enharmonic Equivalence is defines as the pitches that share the common pitch-space, yet they are spelled differently from one another.
the correct answer is :district attorney
I guess you forgot to mention the options which were
<span>Who is Sigmund Freud?
</span><span>Who is John Watson?
</span><span>Who is Hippocrates? and
</span><span>Who is Carl Rogers?
</span>
And the correct answer is Hippocrates, who was the first to study the mental illness.