A tuft of wet steel wool in a test tube placed upside down in colored water. The iron rusts, thereby using the awailable oxygen in the test tue, thus

- Image ID: KFEG6C
A tuft of wet steel wool in a test tube placed upside down in colored water. The iron rusts, thereby using the awailable Stock Photo
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A tuft of wet steel wool in a test tube placed upside down in colored water. The iron rusts, thereby using the awailable oxygen in the test tue, thus
Kim Christensen / Alamy Stock Photo
Image ID: KFEG6C
A tuft of wet steel wool in a test tube placed upside down in colored water. The iron rusts, thereby using the awailable oxygen in the test tue, thus the water level in the tube rises.