<em>there are three </em><u><em>articles: a, an,</em></u><em> and the. Articles are used before nouns or noun equivalents and are a type of adjective. The definite article (the) is used before a noun to indicate that the identity of the noun is known to the reader.</em>
I know this is late, but for all the new people looking for this, your answer is Andrea and heater. i know this is right cause when i reviewed my test, it showed that this was the correct answer. hope this has come to help you all.
