An abandoned field in an industrial brownfield region has been found to contain high levels of nonbiodegradable organic compounds
Recognizing the specific nature of the contaminants, plants that accumulate these chemicals are grown on the soil and then disposed of as toxic waste. This cleanup method illustrates A) bioremediation.
B) phytoremediation.
C) hydroponic intervention.
D) remediation by incineration.
B
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The difference between the "moist" and "dry" adiabatic rates is due to:
a. the fact that saturated air is always unstable. b. the fact that an unsaturated air parcel expands more rapidly than a saturated air parcel. c. the fact that moist air weighs less than dry air. d. the fact that latent heat is released by a rising parcel of saturated air
Graded bedding forms when ____
A)erosion degrades a portion of the sea bottom B)sediment is deposited on a steep slope C)turbidity currents deposit coarse and then fine sediments D)cross-bedding erodes and re-lithifies E)gentle wave motion moves particles toward the shoreline
All of the following statements about Mahayana Buddhism are true, EXCEPT
A) it is a nonexclusive religion. B) it is strongest in Southeast Asia. C) it holds that bodhisatvas help people reach liberation. D) it emphasizes liberation from the cycle of rebirth. E) it originated in India.
What happens when a glacier encounters the sea or a lake?
A) The ice is denser than water and so scrapes along the bottom. B) White icebergs float but blue icebergs sink to the bottom. C) Large blocks of ice collapse off the front of the glacier and become icebergs. D) Rocks released from melted icebergs float on the water surface. E) All of these are correct.