What natural resources are used to make the synthetic product?

Petroleum is a natural resources used to make synthetic product plastic.

Explanation:

Natural resources are materials that occurs in nature or without human activity which can be exploited to economic and human gain.

Synthetic products are material that are gotten from processed natural resources.

Synthetic product plastic is produced from petroleum , a natural resources that occur naturally on earth.

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.