Orcas (or killer whales) are difficult to study because it is costly, and not only that orcas appear in remote loactions, so it is harder for scientists to find them and study them in the wild.
Answer:
we are going to need more context to do this
The scientist looked down at the artifact in his hand, a smug look starting to appear on his face. For all of his life he had felt deprived from what was rightfully his, and now he could do exactly what was needed. But first his fathers staff needed some modifications. He didn't care if he was described as a "<span>Avarice", he didn't care much about anything anymore. </span>As he worked his fathers best friend, James, waltzed in.
"And whats all this Ruckus?" he belted his hands crossed across his chest.
"Um...." the scientist started trying to think of a logical explanation, "That information can not be divulged at this time..."
** its more like a story XP **
<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>
