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