請教一題生物 - 考試

Which of the following would be considered an example of bioremediation?
(A)adding nitrogen-fixing microorganism to a degraded ecosystem to increase nitrogen availability
(B)using a bulldozer to regrade a strip mine
(C)dredging a river bottom to remove contaminated sediments
(D)reconfiguring the channel of a river
(E)adding seeds of a chromium-accumulating plant to soil contaminated by chromium

答案給A

A我覺得是biological augmentation
是不是應該改E比較好呢？大家認為呢？


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