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