What is loess?
A) a dark, coarse sand that is eroded from sea cliffs by wave energy from the ocean
B) a human-made material that is a byproduct of the burning of high sulfur coal
C) a fine, glacially generated silt that is deposited by the wind
D) a clay-like substance from which people in China construct their homes
E) the rich dark topsoil that is found on the Japanese island of Honshu
C) a fine, glacially generated silt that is deposited by the wind
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List five things that you do that can contribute to the loss of the world's wild species?
What will be an ideal response?
What term refers to the depth in the ocean where the rate at which calcareous sediments supplied to the seabed equals the rate at which those sediments dissolve?
A) calcium carbonate compensation depth B) calcium dissolution depth C) calcium carbonate pressure point D) carbonate equalization depth
Today, low-income people
A) tend to live in the center of European cities. B) are less likely to live in European inner-city neighborhoods. C) are only allowed to live in the inner cities of Europe. D) live only in a segregated part of the suburbs along major routes. E) pay higher taxes for the right to live in the inner cities.
In eukaryotic cells where is DNA found?
A) in the cytoplasm B) in the endoplasmic reticulum C) in the lipid bilayer D) in the nucleus