Composition of Air

Random Science or chemistry Quiz

Can you name the top gases that make up the dry atmosphere of Earth?

Featured Feb 21, 2009

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Score 0/10 Timer 03:00
Approx. Vol.Gas
78.1%
20.9%
.93%
.04%
.002%
.0005%
.0002%
.0001%
.00005%
.00003%

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