The Earth's atmosphere is composed mostly of ________
A) water and carbon dioxide
B) nitrogen and oxygen
C) oxygen and carbon dioxide
D) nitrogen and carbon dioxide
E) water and oxygen
Answer: B
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The intertropical convergence zone (ITCZ) is a region where:a
the polar front meets the subtropical high. b. northeast trades meet the southeast trades. c. northeast trades converge with the subtropical high. d. the Ferrel cell converges with the Hadley cell. e. polar easterlies converge with the air at the doldrums
The 1997 Kyoto Protocol went into effect in 2005 with only seven of the world's 194 nations not ratifying the agreement. Which country did not ratify it?
A. The Netherlands B. Canada C. the United States D. Germany E. Switzerland
What happens to a beach when a groin is installed?
________ are sharp ridges that form when glaciers erode parallel valleys
A) Eskers B) Bergschrunds C) Horns D) Arêtes E) Drumlins