The theory of ________ states that at times in the past, colder climates prevailed during which much more of the land surface was glaciated than at present time.
A. climate change
B. Vostock
C. Milankovitch
D. ice accumulation
E. glacial ages
Answer: E
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What is the primary reason that global energy demand is forecast to increase 40% by 2030?
A) the further industrialization of developing economies B) the United States consumption of energy is predicted to increase dramatically C) due to immigration, Europe's consumption of energy will rise D) the movement away from fossil fuels to renewable energy sources will lead to more demand E) Japan's increased energy usage
Phytoremediation is:
A. A style of land use planning in agriculture B. Use of plants to increase agricultural production C. Use of specialized plants to clean up the environment D. A method crop rotation
The Mississippi delta is losing area because the supply of sediment is less than the rates of delta erosion and subsidence.
Answer the following statement true (T) or false (F)
The amount of interior area in a preserve is important because
A. Humans and other hardy species encroach on preserve margins B. Humans and other hardy species encroach on preserve margins, it is more economical to buy large land areas, and many threatened species cannot survive environmental conditions on preserve margins C. It is more economical to buy large land areas D. Many threatened species cannot survive environmental conditions on preserve margins E. Humans and other hardy species encroach on preserve margins and many threatened species cannot survive environmental conditions on preserve margins