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Which of the following is a trace element required by most living organisms?A) nitrogenB) oxygenC) carbonD) hydrogenE) magnesium
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Which of the following is a trace element required by most living organisms?A) nitrogenB) oxygenC) carbonD) hydrogenE) magnesium

User Diego Carrera
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6 votes

Answer:

oxygen

Step-by-step explanation:

respiration is required by all organism and for it to occur we need oxygen

User David Houde
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