Explain why oil is a nonrenewable resource.
1 Oil is not a renewable resource becauseonce you have used it, it never comes back. nonrenewable resource renewable resource. 2  3. 3  Oil Is A Nonrenewable 4 Resource 3Oil is a nonrenewable resource because it takes millions of years to form.4  Same with natural gas, coal and fossil fuels. Oil is not a renewable resource becauseonce you have used it, it never comes back. nonrenewable resource renewable resource. 2  3. 3  Oil Is A Nonrenewable 4 Resource 3Oil is a nonrenewable resource because it takes millions of years to form.