Saguaro cactus, organ pipe cactus, and elf owl are all examples of species ________ to MexAmerica
Fill in the blank(s) with correct word
endemic/native
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Thornthwaite's classification was based on
A) the principle of the water balance. B) hydrologic characteristics. C) effective temperatures. D) latent heat vs. sensible heat.
If we carefully examine the global history of various types of oil and gas production it is clear that
A) combined oil and gas production peaked about 2008. B) most forms of oil production will not peak until 2050. C) oil production is holding steady. D) polar oil reserves will pay a major role in the next 20 years.
The most damaging type of eruption that occurred at Mount Pelée, Martinique was
A. the volcano was so heavy that it caused part of the island to collapse. B. one or more pyroclastic flows hit the city of St. Pierre. C. a fast-moving viscous lava flow flowed through the middle of St. Pierre. D. a huge landslide caused a lateral blast that knocked down trees and buildings. E. None of these choices are correct.
The ________ is solid and very iron rich
A) crust (continental) B) crust (oceanic) C) mantle D) core (outer) E) core (inner)