After a thorough research, there exists the same question with the paragraph.
<span>Both petroleum and coal are made up of complex carbon-based molecules, and both originated with living creatures of some kind. Both are vital sources of energy for the modern world and both were formed by geologic processes over millions of years. However, petroleum was mainly formed from the remains of ocean-dwelling microorganisms. Coal, on the other hand, originated from decayed vegetation in ancient swamps and bogs. In any case, it took millions of years for both coal and oil to be produced. This is the case because it took that much time for overlying sediments to produce the unimaginable heat and pressure that would one day allow us to harvest these energy resources.
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The paragraph uses 'Compare and Contrast' organization. It presented us the differences and similarities between coal and petroleum.
Answer:
In chemistry, there are three definitions in common use of the word base, known as Arrhenius bases, Brønsted bases and Lewis bases. All definitions agree that bases are substances which react with acids as originally proposed by G.-F. Rouelle in the mid-18th century
Sentence A has a disagreement between "were" (plural) and "no one" (singular).
Sentence B has a disagreement between "was" (singular) and "problems" (plural).
Sentence C, however, has complete agreement between the subject and verb. Therefore, the answer is C.
<span>D. </span>McGovern, Joe. "Our Lady of Chaos." Entertainment Weekly. 13 May 2016: 32-33. Print.
