Which of the following substance is an element?
A. Carbon Dioxide
B. Iron
C. Salt
D. Sugar
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Which of the following substance is an element?
A. Carbon Dioxide
B. Iron
C. Salt
D. Sugar
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Answer:
carbon dioxide
Explanation:
Carbon dioxide (CO2) is an important heat-trapping (greenhouse gas, which is released through human activities such as deforestation and burning fossil fuels, as well as natural processes such as respiration and volcanic eruptions.
Answer:
carbon dioxide
Explanation:
nothing