Water molecules ____
A)consist of two hydrogen atoms and two oxygen atoms
B)easily dissolve most minerals when the water is pure
C)have an asymmetric shape
D)and carbon dioxide combine to form calcite
E)do not play a role in separating ions in a solution
C
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Which of the following compounds is insoluble in water?
A) CaCO3 B) CaCl2 C) Ca(NO3)2 D) Ca(C2H3O2)2
Which of the following is a "hard" shoreline protection measure?
A) jetties only B) groins only C) beach nourishment only D) both groins and jetties E) groins, jetties, beach nourishment
One problem with censuses—even in the United States—is that they tend to undercount minority groups
Indicate whether this statement is true or false.
The process of changing ice directly to water vapor is known as ________.
A. vaporization B. evaporation C. melting D. condensation E. sublimation