Q: Most bacteria may be placed into one of three groups based on their response to gaseous? Choices: - potassium - nitrogen - carbon - oxygen A:
oxygen
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Q: What do you call a structure composed of two or more types of tissues that work together to do a specific task? Choices: - cell - marrow - system - organ A:
organ
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Q: When gas particles heat up and gain energy, what do they do? Choices: - go up - stop - move slower - move faster A:
move faster
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Q: How many electrons are in the hydrogen atom? Choices: - five - two - three - one A:
one
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