Which of the following is not an acid?
A) H3O+
B) H2CO3
C) HPO42-
D) None, they are all acids.
D
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Groundwater is
A. water in the vadose zone. B. all subsurface water. C. water in the saturated zone. D. soil moisture.
Air pressure is not dependent upon
A) the speed of air molecules. B) the number of air molecules. C) the average mass of air molecules. D) the element distribution among air molecules. E) none of the above
A(n) ________ represents a former meltwater channel or tunnel in glacial ice that was filled with sand and gravel
A) yazoo ridge B) esker C) valley plain D) kettle
Which of the following is NOT an external cost that affects people who are not involved in some environmentally damaging transaction?
a. water pollution b. aesthetic damage c. job security d. human health problems