How much of the total U.S. land area does the federal government own and what is it primarily used for?
A) 2% used for public housing
B) 7% used for housing government offices
C) 20% used for the Interstate Highway system
D) 40% used for national parks and military facilities
E) 55% used for national parks, military facilities, Interstate Highways, government offices, and public housing
D
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Which of the following must have occurred in order for the inner planets to grow?
A) explosions in the Sun B) solar wind blasted gases out of the nebula C) temperatures cooled throughout the nebula D) dust was delivered to the nebula by asteroids and meteors
According to Figure 4.22 which types of magma can erupt as lava flows?
A) Basaltic, Andesitic, and Dacitic B) Basaltic, Andesitic, Dacitic and Rhyolitic C) Basaltic and Andesitic D) Basaltic
Compare and contrast two of the three phytoplankton discussed at length in this chapter (Diatoms,
Dinoflagellates, and Coccolithophores). What will be an ideal response?
What three-factor model is used for representing the impact on environment? What is a fourth factor that could be added to this? Give a simple explanation for each factor and describe what it means in terms of human impacts on the environment
What will be an ideal response?