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