The decomposition of limestone CaCO3 > CaO + CO2
Drying clothes is a physical change, because it is not permanent. The clothes could just be wettened again, therefore it is not a chemical change.
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The lighter components are able to rise higher in the column before they are cooled to their condensing temperature, allowing them to be removed at slightly higher levels.
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21Explanation:BEACUSE I CAN
Answer:
Where is the chemical equations?
