North American continental tropical air masses
A) are present both winter and summer.
B) are humid.
C) can affect weather in the central United States.
D) all of the above
E) none of the above
C
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What biome comprises the majority of the southeast United States, with the exception of the coastal area?
a. Tropical deciduous forest b. Temperate mixed forest c. Coniferous forest d. Savanna e. Tropical rain forest
The Himalayan orogeny is the result of a collision between Africa and Eurasia
a. True b. False
What is one factor that determines how explosive a volcanic eruption will be:
a) viscosity b) geographic location c) amount of carbon dioxide d) elevation of the crest of the volcano e) proximity to plate boundaries
NEO hunters are not actively searching for smaller objects that could destroy entire cities, but instead are focused on detecting larger objects that could threaten entire countries or continents.
Answer the following statement true (T) or false (F)