Which of the following is an example of bioremediation?
a.
using microorganisms to clean up an oil spill
b.
using bacteria to make yogurt
c.
creating plants that are resistant to bacteria
d.
adding nitrogen-fixing bacteria to the soil before planting crops
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Ответ:
Ответ:
a. using microorganisms to clean up an oil spill
Explanation:
Bioremediation is a process of treatment of a culture, biological medium, soil and water with plants and microorganism so as to remove the contaminants present in them. The plants and microorganism either absorb the contaminants or makes them potentially inactive which leads to decrease in pollution.
a. using microorganisms to clean up an oil spill is the correct option because the microorganisms will break up the bonds present in the oils therefore, making the structure unstable, unreactive and harmless to the aquatic species.
Ответ:
C. Human interference led to a change in the ecological succession of the field.
Explanation: