What is the difference in velocity of hydrogen molecules and carbon dioxide

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because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

the pseudoscience are like beliefs, theories, or like practices that are considered scientific

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