In different specimens of the same mineral, the interfacial angles between crystal faces are ____
A)greater than 90 degrees
B)less than 90 degrees
C)identical
D)always 180 degrees
E)impossible to predict
C
Environmental & Atmospheric Sciences
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The place where an organism lives is its
A. habitat. B. niche. C. community. D. population. E. neighborhood.
Environmental & Atmospheric Sciences
Methane
A) concentrations in Earth's atmosphere are not increasing. B) is a poisonous gas. C) is less abundant in Earth's atmosphere than CFCs. D) concentrations in Earth's atmosphere have nearly doubled since 1840. E) is more abundant in Earth's atmosphere than carbon dioxide.
Environmental & Atmospheric Sciences
Predation and parasitism are important in determining population size.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
A typical example of a shield volcano is
A. El Chichón B. Mount St. Helens C. Kilauea in Hawaii D. Mount Vesuvius
Environmental & Atmospheric Sciences