Question

many people use plastic every day. plastic bags, like most other plastics, are made from fossil fuels like petroleum and natural gas. fossil fuels formed millions of years ago, when ancient plants and animals decomposed deep under earths surface. in order to make plastic bags, petroleum must be extracted from under earths surface. petroleum and natural gas have a mixture of carbon - based molecules. these molecules are isolated using high heat. then, specific molecules can be used to make plastics. which natural resources are used to make plastic bags? select all that apply. natural gas petroleum limestone iron

Explanation:

The text states that plastic bags, like most other plastics, are made from fossil fuels such as petroleum and natural gas. There is no mention of limestone or iron being used in the production of plastic bags.

Answer:

natural gas, petroleum