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Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?
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Creating new things to solve problems and improve life depends on the close interaction of which two fields?
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Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings
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Packet fragmentation is not normal, and can only occur if an attack has been initiated. true false
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What are the chemical origins of life?...
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