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Write the molecular formula of (i) Methane and (i) Ethanol.Write two different uses of concave mirrors.Name two natural ecosystems. |
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Answer» 1. Methane: CH4 Ethanol: C2H5OH 2. Concave mirrorsareusedin reflecting telescopes. They are also usedto provide a magnified image of the face for applying make-up or shaving. 3. Terrestrial ecosystem Aquatic ecosystem |
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