What makes crude oil a nonrenewable resource?
O A. When burned, it contributes to global warming.
B. It can be replenished within a person's lifetime.
C. It takes millions of years to form.
D. When burned, it adds pollutants to the air.

Oil, natural gas, and coal are collectively called fossil fuels. Fossil fuels were formed within the Earth from dead plants and animals over millions of years—hence the name “fossil” fuels. They are found in underground layers of rock and sediment. Pressure and heat worked together to transform the plant and animal remains into crude oil (also known as petroleum), coal, and natural gas.

What makes crude oil a nonrenewable resource? O A. When burned, it contributes to global warming. B. It can be replenished within a person's lifetime. C. It takes millions of years to form. D. When burned, it adds pollutants to the air.

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What makes crude oil a nonrenewable resource?
O A. When burned, it contributes to global warming.
B. It can be replenished within a person's lifetime.
C. It takes millions of years to form.
D. When burned, it adds pollutants to the air.