Millions of years under constant pressure and heat.
Oil formation in the Earth's crust typically takes millions of years.
Crude oil is regular oil. It is the raw oil extracted from the earth. It is referred to as crude as it must be refined so its components can be used.
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Oil sands take millions of years to form through the gradual accumulation of organic material, mostly from microscopic plants and animals. The process involves the burial and compaction of these materials over time, along with the chemical transformations that occur under pressure and heat to eventually form oil sands.
can take as long as 17 years
Crude oil forms in the Earth's crust over millions of years through the decomposition of organic matter under high pressure and temperature. It typically takes anywhere from 1 to 3 million years for crude oil to form.
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Fossil fuels, such as oil and natural gas, take such a long time to form that they are considered nonrenewable on human timescales. Once they are extracted and used, they cannot be easily replaced within a short period of time.
is it oil based
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You would want to take it in capsule form to avoid heartburn.
No, they take a lot, lot longer.