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Questions and Answers
What is the process called when atmospheric nitrogen is converted into ammonia by some bacteria?
What is the process called when atmospheric nitrogen is converted into ammonia by some bacteria?
- Nitrogenation
- Denitrification
- Nitraproduction
- Nitrogen fixation (correct)
Which type of bacteria can use ammonia as an energy source by oxidizing it to make nitrite?
Which type of bacteria can use ammonia as an energy source by oxidizing it to make nitrite?
- Anaerobic bacteria
- Nitrogen fixing bacteria
- Aerobic bacteria (correct)
- Photosynthetic bacteria
What is the final product of the nitrification process?
What is the final product of the nitrification process?
- Ammonia
- Methane
- Nitrate (correct)
- Nitrite
Where can nitrogen fixing symbiotic bacteria be found?
Where can nitrogen fixing symbiotic bacteria be found?
What type of bacteria can convert ammonia into nitrate in the nitrification process?
What type of bacteria can convert ammonia into nitrate in the nitrification process?
What is the process by which denitrifying bacteria convert nitrate back into atmospheric nitrogen called?
What is the process by which denitrifying bacteria convert nitrate back into atmospheric nitrogen called?
What ecological process occurs when excess nutrients are added to a body of water?
What ecological process occurs when excess nutrients are added to a body of water?
What is the result of over-fertilization of farmland that leads to excess nitrogen compounds entering nearby streams or lakes?
What is the result of over-fertilization of farmland that leads to excess nitrogen compounds entering nearby streams or lakes?
Which of the following can be a consequence of eutrophication caused by human activity?
Which of the following can be a consequence of eutrophication caused by human activity?
What is the main reason why coal is considered to be the dirtiest fossil fuel in terms of releasing pollutants into the atmosphere?
What is the main reason why coal is considered to be the dirtiest fossil fuel in terms of releasing pollutants into the atmosphere?
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