<em>Personification has to with giving human attributes to non-human objects.</em> In this case, there is no such thing as a "physical heartbeat of the group." A group cannot have a heartbeat. However, figures of speech (personification is one of them) are helpful in order to effectively convey a message.
Personification helps send the reader a message that the activist group acts as one body. It lets the audience know that the activist group is united, acts as a solid community, and as one united front. Therefore, using personification creates a stronger tone that effectively conveys a message.
<span>c. parallelism
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Sentence structures could be simple (one independent clause), compound (two independent clause with coordinating conjunction), complex (a subordinate & independent clause) and compound-complex sentences (subordinate & two independent clause). These include clauses, conjunctions, coherence and balance and even to the number of words you use in your subject and predicate. You must also see to it that when you do parallelism, your sentences still makes sense.</span>