Which of the following would be considered an example of bioremediation?
A) adding nitrogen-fixing microorganisms 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
Answer: A
You might also like to view...
The names of the monocot and eudicot groups refer to the number of ____
a. seed leaves in their embryos b. ovules in their ovaries c. flower parts they possess d. leaf veins they possess e. furrows in their pollen grains
The prefrontal area of the human frontal lobe is an association area that is most responsible for human brain's ability to carry out which three functions?
A. formulating appropriate behaviors B. critical thinking C. regulating hunger, thirst, and sleep D. coordinating muscle movements E. reasoning
The natural role of restriction enzymes in bacteria is to
A) make conjugation more efficient. B) allow transposons to move to another place in the chromosome. C) protect the cell from invading phages. D) allow cells to accept foreign DNA. E) provide the cell with new phenotypes, such as antibiotic resistance.
Photoautotrophs use _______for energy and _______as a carbon source.
a) glucose; CO2 b) light; glucose c) light; lactic acid d) light; CO2