The innermost layer of the Earth, which is composed of iron and nickel metal, is the ________
a. lithosphere
b. crust
c. mantle
d. core
d
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A group of organisms of the same species that occupy a specific area is called a(n) ____
A) community B) population C) ecosystem D) niche
What event was a major factor in the development of the fertile soils of the upper Midwest and Northeast United States?
A) glaciation B) volcanic eruptions C) tectonic forces D) erosion by meandering rivers
An example of land use planning is a floodway. What is a floodway?
A) The areas near a river that are developed with buildings, but far enough away from the river to avoid damage during a flood. B) Areas along a stream or river that are developed, and the buildings sustain flood damage during bad floods. C) Areas of little or no development alongside a stream that are wide enough and low enough to carry the predicted discharge of the 100-year flood. D) Both B and C.
Why has Southeast Asia emerged as a major center of the global sex trade, and what problems does this cause for the region?
What will be an ideal response?