A major difference between Tundra (ET) and Subarctic (Dfc, Dwc) climates is that the Subarctic climate is
A. receives most of its precipitation in the winter.
B. centered around both poles.
C. warm enough to support trees.
D. heavily influenced by tropical cyclones.
Answer: C
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The Panama Canal joins what two water bodies?
A) the Atlantic Ocean and the Pacific Ocean B) the Pacific Ocean and the Indian Ocean C) the Gulf of Mexico and the Caribbean Sea D) the Atlantic Ocean and the Gulf of Mexico E) The Panama Canal does not join two water bodies.
What is happening in the mantle beneath a subduction zone?
a. Hot mantle rock is rising, pulling down a cold ocean slab. b. Cool mantle rock is rising, pulling down a warmer ocean slab. c. The mantle is molten and the subducting slab sinks into it. d. Relatively cool mantle rock is sinking, pulling down on a cold ocean slab. e. Hot mantle rock is sinking, pulling down on a warm ocean slab.
Which of the following microclimate effects is incorrectly described?
a. The leeward sides of high mountains tend to show relatively dry conditions. b. Oceans and lakes modify temperature extremes. c. Mountains interrupt the flow of prevailing winds. d. Cities tend to have lower temperatures and higher wind speeds than the surrounding countryside. e. The windward sides of high mountains tend to show relatively wet conditions.
Which of the following components of a "typical" soil is most abundant?
a. water b. gases c. organic matter d. mineral matter e. unweathered rock