Which of the following is not an acid?

A) H3O+
B) H2CO3
C) HPO42-
D) None, they are all acids.


D

Environmental & Atmospheric Sciences

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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

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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.

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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

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