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Coal, natural gas, and petroleum are all fossil fuels that formed under similar conditions. Today, petroleum is found in vast underground reservoirs where ancient seas were located. Petroleum reservoirs can be found beneath land or the ocean floor. Their crude oil is extracted with giant drilling machines.
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comment how it helps
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Investigation: a searching inquiry for gathering detailed facts...
Experiment: an orderly procedure carried out with the goal of verifying , refuting or establishing the valitity of a hypothesis.... .
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Carbon dioxide is the correct answer
Answer: The endocrine system is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.
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