I believe the answer is A.) However because it is used to show how petroleum is different than coal which is a contrast.
Context clues are the clues that are given by the author to the readers to try and understand meaning of difficult words in context to the text.
<u>Explanation:</u>
Context clues are the hints which are given to the readers of the text by the author to try and understand the meaning of the difficult words keeping in mind the context of the text.
The clue may appear in the same line itself in which the word is. Just because the vocabulary that we gain comes from the reading that we do, we must take advantage of the context clues while we are reading to improve our vocabulary.
<span>The correct answer among the choices provided is:
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C. Here is a mug of hot, and creamy cocoa.
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A comma must be placed after the word "hot" because there are more than one adjectives used to describe "cocoa" which the adjectives modified.
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I believe its to prevent diseases, promote health, and help the population as a whole to live longer