What mineral is characterized by a reddish streak, as shown in this photograph?
A. calcite
B. quartz
C. magnetite
D. hematite
E. feldspar
Answer: D
Environmental & Atmospheric Sciences
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National Land Cover Data from the USGS were compiled from:
A. satellite images B. USGS quadrangle maps C. air photos D. field survey data
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What texture is displayed by the igneous rock in this photograph?
A. vesicles B. porphyritic C. glassy D. breccia E. None of these choices are correct.
Environmental & Atmospheric Sciences
Clouds can either heat or cool Earth.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
The Audubon Christmas Bird Count is an example of
A. using greeting cards with images of rare species to promote conservation. B. critical mass. C. citizen science.
Environmental & Atmospheric Sciences