Why can introduced species be problematic?
A) They sometimes outcompete native species and reduce biological diversity.
B) They consistently find it difficult to survive.
C) They can reduce demand for native seafood.
D) They often produce toxins dangerous to humans.
A
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The unit of measurement for electric potential is the
A. joule. B. volt. C. ampere. D. watt.
Relatively cooler magma in an erupting volcano is apparently the result of _______.
a - the amount of water present b - depth of magma formation c - the relatively high amount of silica present d - position of astronomical bodies e - surface salinity
________ soils in the southeastern U.S. are notable for red, clay-rich B horizons, rich in iron and aluminum
A) Forest B) Rainforest C) Grassland D) Desert E) Wetland
Desert pavement is caused by eolian abrasion that polishes rock surfaces
Indicate whether the statement is true or false