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Four identical 1.0-L flasks contain the gases He, Cl2, CH4, and NH3, each at 0°C and
1 atm pressure.
-Which gas has the highest density?
Preservationists
Individuals or groups dedicated to the protection and preservation of natural resources, historical sites, or cultural artifacts.
Wise-Use Resource
A concept promoting the sustainable management and use of natural resources for economic and social benefits.
Henry David Thoreau
A 19th-century American essayist, poet, and philosopher, best known for his book "Walden," a reflection upon simple living in natural surroundings.
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