7. Draw your observations in the box below. or Iron nail (or any iron material) in dry cloth exposure to air/oxygen made before Iron nail any iron made material) in wet cloth before exposure to air/oxygen Iron nail (or any iron made material) in dry cloth after 48 hours exposure to air/oxygen Iron nail (or any iron made material) in wet cloth after 48 hours exposure to air/oxygen
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Explanation:
that should be me holding your hand