Which of the Following Would Be Considered an Example of Bioremediation

Multiple Choice

Which of the following would be considered an example of bioremediation?

A) using a bulldozer to reshape the land around an abandoned strip mine to change erosion patterns
B) dredging a river bottom to remove contaminated sediments
C) reconfiguring the channel of a river to increase the flow of water down a river
D) raising chromium-accumulating plants to extract chromium from contaminated soil
E) selectively harvesting younger trees in a forest to leave older trees for woodpecker nesting habitat