Answer: (c)
Explanation: Polyester and cotton are combined to make polycot. Polycot is a widely used polyester in the textile industry. It is created in a laboratory setting. Cotton comes from natural sources like plants, but polyester is produced in a lab from coal.
The percentage ratio varies, but the most popular is 65 percent cotton and 35 percent polyester. 50/50 mixtures, on the other hand, are widely available.
The blend was created to combine the benefits of both cotton and polyester fibres into a single fabric.