Why does Central Asia have such large lakes, and why are many of these lakes so severely threatened?
What will be an ideal response?
The region has numerous large lakes because of the geomorphology of the region: much of the region is composed of basins surrounded by mountainous areas. The lakes are threatened because of uneven precipitation and increased irrigation, leading to a shallowing of the lakes and a corresponding increased salinization.
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What will be an ideal response?
Despite their idyllic island appearances, atolls pose many natural hazards to human habitation.What are three factors that make human habitation on atolls difficult?
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A. Jupiter B. Pluto C. Saturn D. Mars E. Neptune
Smelting ore, as in Ducktown, Tennessee, releases toxic chemicals in the form of
A. Dust, from grinding ore gravel B. Solids, in the form of toxic waste C. Gases, from baked ore D. Liquids, from leaching processes E. All of these are correct