Chemistry, 18.12.2020 20:40 kodyharris117

Please help I'm confused. While preparing his garden for spring planting, Brian grabs a shovel that was left outside all winter. He notices its metal component is covered in a red substance. What question can Brian ask to determine if the red substance indicates a chemical or physical reaction?

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Please help I'm confused. While preparing his garden for spring planting, Brian grabs a shovel that...