A. A system that allows energy and mass to move in and out of it
What is an open system?
O
A. A system that allows energy and mass to move in and out of it
B. A system that allows mass to move in and out but not energy
O
C. A system that does not allow energy or mass to move in or out of
it
O D. A system that allows energy to move in and out but not mass
Answers: 2
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When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water
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What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
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How do you lengthen a pattern piece? (family and consumer science, sewing)
Answers: 2
What is an open system?
O
A. A system that allows energy and mass to move in and out of it
A. A system that allows energy and mass to move in and out of it
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