Aquifers are . A. Located below the water table b. Important sources of freshwater c. Located in the saturated zone d. All of the above Please select the best answer from the choices provided A B C D.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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the answer is d. none of the above