A) They move to lower elevations. B) They become accustom to the lower oxygen content. C) They learn to breath carbon dioxide. D) The people use large fans to force more oxygen into the atmosphere at that altitude.
A) easterlies B) trade winds C) head winds D) westerlies
A) carbon free compounds B) chlorofluorocarbons C) carbon dioxide D) ozone
A) troposphere B) Exosphere C) stratosphere D) ionosphere
A) conduction B) convection C) evaporation D) radiation
A) oxygen B) carbon dioxide C) argon D) ozone
A) evaporation B) condensation C) convection D) melting
A) troposphere B) Exosphere C) ionosphere D) stratosphere
A) stratosphere B) ionosphere C) Exosphere D) troposphere
A) ionosphere B) troposphere C) stratosphere D) Exosphere |