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The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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Particles vibrate in a rigid structure and do not move relative to their neighbors.
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Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange
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Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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How does elevation affect atmospheric pressure...
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