|
|
|||||||||||||||||||||||||
![]() ![]() |
|||||||||||||||||||||||||
Chem4Kids Quiz: GasesQUESTION 3: INCORRECT Many localized areas on the surface of the Earth have gases at different concentrations. Scientists have discovered areas near volcanoes that contain high concentrations of carbon dioxide (CO2) gas than can kill any living things (even trees). The carbon dioxide collects near the surface because it is heavier than the gases that make up most of the atmosphere. > Continue to Next Question > Restart Quiz
|
Custom Search
* The custom search only looks at Rader's sites.
|
||||||||||||||||||||||||
![]() ©copyright 1997-2012 Andrew Rader Studios, All rights reserved. |
|||||||||||||||||||||||||
|
|
|||||||||||||||||||||||||