PET is a familiar form of

Options

A. plastic
B. polyester
C. acrylic
D. rayon

Explanation

To solve the question "PET is a familiar form of," we will go through the following steps:

### Step 1: Understand the acronym PET
- PET stands for Polyethylene Terephthalate. It is important to recognize what this acronym represents.

### Step 2: Identify the classification of PET
- PET is classified as a type of plastic. More specifically, it falls under the category of polymers, which are large molecules made up of repeating units.

### Step 3: Determine the relationship between PET and other materials
- PET is a type of polyester. Polyesters are a category of polymers that contain the ester functional group in their main chain.

### Step 4: Analyze the options given in the question
- The options provided are plastic, polyester, acrylic, and rayon. Since we have established that PET is a type of polyester, we can eliminate the other options.

### Step 5: Conclude the answer
- Based on the analysis, the correct answer to the question is that PET is a familiar form of **polyester**.

### Final Answer:
- PET is a familiar form of **polyester**.

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