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Reika [66]
4 years ago
7

Which is a compound? calcium air iodine water

Biology
2 answers:
nadezda [96]4 years ago
8 0
Air as it contains many different elements making it a compound and not a element or molecule. a example of a element is iodine and calcium and an example of a molecule is water of dihydrogen monoxide aka 2 H and 1 O in a molecule.
Genrish500 [490]4 years ago
3 0
I'm sure it's Calcium
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