Fill in the blanks with appropriate words.
Like synthetic fibres, plastic is also a _______ __.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Context**: The question asks us to fill in the blank with a word that describes plastic in relation to synthetic fibers.

2. **Identifying Key Terms**: The key terms in the question are "synthetic fibers" and "plastic."

3. **Recalling Definitions**: Synthetic fibers are made from polymers, which are long chains of repeating molecular units. Similarly, plastics are also made from polymers.

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