<span>its a) persona cause </span>the aspect of someone's character that is presented to or perceived by others.In psychology, often contrasted with anima<span>.</span>
Answer:
Mechanical teacher was just a machine or computer which can teach but according to the level set without any kind of emotions whereas human teacher can make learning more easier according to the level of students who can understand their emotions as well.
Explanation:
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<span>d.saddened about human indifference</span>
