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If the mass number of an atom is 29, and it has 13 protons and 13 electrons, what is the identity of this atom?
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This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
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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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If the mass number of an atom is 29, and it has 13 protons and 13 electrons, what is the identity of...
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