In the sentence the underlined part, who is running for mayor, is a <u>nonrestrictive clause.</u> The correct options are B and C.
<h3>What is a non-restrictive clause?</h3>
A non-restrictive clause is a clause that adds additional information about the subject or proper noun.
Commas are used to write a non-restrictive clause, which shows this is additional information.
Thus, the correct options are B and C.
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An economic terminology which describes the option of mowing lawns is opportunity cost.
<h3>What is an
opportunity cost?</h3>
An opportunity cost is also referred to as alternative forgone and it can be defined as the value, profit or benefits that are given up by an individual or business firm, in order to choose or acquire something deemed most significant at the time.
In this context, we can infer and logically deduce that an economic terminology which describes the option of mowing lawns over animal rescue is an opportunity cost.
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Explanation:
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Answer:
The easiest way to test if water is acidic is to use litmus paper. Litmus paper is a paper that contains special dyes that will change color when exposed to acids or bases. In your case, if you dip blue litmus paper into water samples and it turns pink or red, then the water is acidic.
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