The way in which the author combines clauses after the main verb "is" helps to: attach equal importance to the topics he intends to address.
In English language, a clause can be defined as a group of words that comprises both a subject and an infinite verb (predicate).
A verb is one of the parts of speech in English language and it can be defined as any word that describes an occurrence, action, or state of existence. Some examples of verb are dance, is, sing, play, run, walk, sit, etc.
Based on the passage, the author combines clauses after the main verb "is" so as to attach equal importance to the topics he intends to address.
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