Which of the following landform definitions is CORRECT?
a. The taiga is a treeless area between the treeline and Arctic regions.
b. The tundra is an area of coniferous forests.
c. Permafrost areas suffer from continue drought.
d. Steppes are semi-arid grasslands.
The answer is d. Steppes are semi-arid grasslands. (They are semi-arid, meaning they receive 25 to 50 centimeters (10-20 inches) of rain each year. This is enough rain to support short grasses/ vegetation, but not enough for tall grasses or trees to grow. Many kinds of grasses grow on steppes, but few grow taller than half a meter (20 inches).
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China's Three Gorges Dam on the Yangtze and Vietnam's Nam Theun Dam on the Mekong demonstrate that
A) large hydroelectric projects can be carried out with little to no environmental impact and human displacement. B) hydroelectric installations cannot produce enough energy to compete with fossil fuel plants. C) the air pollution from the dams will have to be monitored constantly to protect human health. D) the major impacts on downstream communities will have to be carefully studied.
List the three major features of a passive continental margin. Which of these features is considered a flooded extension of the continent? Which one has the steepest slope?
What will be an ideal response?
What were the Early Conditions of Earth?
What will be an ideal response?
Which of the following are present on Earth but not on any other planet?
A. dust storms B. ice C. features interpreted to have formed by flowing water D. volcanoes E. None of these choices are correct.