It is true that a case study allows a more detailed look at the life of a single subject than any other study.
Answer: Option A
<u>Explanation:</u>
Case Study is a detailed study of a particular subject which can be anything like an individual person or a group or a situation that has occurred at a particular period of time.
This study is a study of almost all the aspects of the subject and an in depth study of the subject of study and also the conditions of the subject is also studied. Normally to study a case study, a method of research is used to collect information of the subject that is to be studied.
President Andrew Johnson was impeached because he violated the Tenure of Office Act
Yes Fredric Douglas's account is a trustworthy source for knowing about John Brown's intentions.
<h3>Who was Fredrick Douglas?</h3>
This man was an abolitionist, a speaker and a publisher in the United States.
He led the march to end slavery during the civil war in the country and before it.
His account is trustworthy due to the fact that he had personal relations with John Brown.
Read more on Fredrick Douglas here: brainly.com/question/13896424
The correct answer is letter B
Olfactory sense is one of the five senses through which odors are perceived. The nose, equipped with olfactory nerves, is the main organ of smell. The olfactory nerves are also important to distinguish the taste of substances that are inside the mouth.
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In the nasal cavities, the particles dissolve in the mucus, reaching the olfactory hairs of the olfactory cells. In these, the odor is transformed into nerve impulses, which are transmitted by their axons to the olfactory bulb, followed from this to the brain by the olfactory nerve.
Transduction is a transformation of physical or chemical stimuli into electrical potential by sensory receptors. Whether neuronal or secondary sensory cells, all highly specific.