What is a synthetic material made of?

Synthetic fibers are made from raw materials such as petroleum, based on chemicals or petrochemicals [20]. These materials are polymerized into a long, linear chemical with different chemical compounds and are used to produce various types of fibers.

Synthetic fibers are made from chemicals consisting of superior properties to natural fibers such as cotton or silk. Synthetic textiles are made from either inorganic products or a mixture of organic ones and chemicals.

A. Number of Days of Sunlight (per year)

Step-by-step explanation:

The independent variable is the variable that causes the dependent variable to change.

In this situation, the number of days of sunlight will cause the height of the tree to change.  Additionally, the number of days of sunlight will cause the amount of fruit on the tree to change.