3 Match the words in bold to their functions. "Making a new product requires a lot of materials and energy -raw materials must be extracted from the earth, and the product must be fabricated () Available at: - chttps://www.epa .gov/recycle/reducing and-reusing-basics>. Accessed on:March 31, 2020. a It denotes one or more people or things already mentioned in the text. b It refers to someone or something mentioned for the first time in a text.

## Step 1<br />The problem is about understanding the use of pronouns in a text. Pronouns are words that replace or stand in for other nouns or noun phrases. They can refer to people, places, things, or ideas that have already been mentioned in the text.<br /><br />## Step 2<br />The pronoun 'it' in the text refers to 'the product', which is a noun that has already been mentioned in the text. This means that 'it' is a pronoun that refers to a noun that has already been mentioned, which corresponds to option 'a'.<br /><br />## Step 3<br />The pronoun 'it' in the text does not refer to a new noun or noun phrase that is being introduced for the first time. Therefore, option 'b' is not correct in this context.