The
sentence that contains a relative pronoun is letter A: Mr. Moon, whom you have
met, is my assistant.
<span> A
pronoun is used to substitute a noun. In order for it to substitute, it must
have a clear antecedent. Personal pronouns are used to substitute nouns with
ownership. There are three persons point of view.1st person is when
the subject is the one who is speaking (e.g. I, me, my, mine, we, us, our, ours). 2nd person is
when the subject is the one being spoken to (you, your, yours). 3rd person is when the subject is
the one spoken about (he, him, his,
she, her, hers, it, its, they, their, theirs). Relative pronouns are ‘subject,
object, possessive: who, whom, whose, which, whose and that.</span>
As per the question, the various periods of sleep from quiet sleep to actively moving about and crying would be called '<u>states</u>'. Psychologically, the sleep cycle consists of four to five distinct stages beginning from drowsiness in Rapid Eye Movement to deep non-Rapid Eye Movement sleep. Stage 2 involves the active sleep in which the child is witnessed actively moving and tweaking arms and legs while the 'quiet sleep' is demonstrated as the final stage 5 in which the infant's sleep becomes more sound and progressively deeper. Thus, these periods are characterized as 'states'.
