Nitrogen and __________ are the main source for eutrophication of surface water? Options: A . &nbspPhosphorus B . &nbspPotassium C . &nbspCalcium D . &nbspMagnesium

Nitrogen and __________ are the main source for eutrophication of surface water?

Question

Nitrogen and __________ are the main source for eutrophication of surface water?

Options:

A . Phosphorus

B . Potassium

C . Calcium

D . Magnesium

Answer: Option A
Answer: (a).Phosphorus

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Question 1. The total Nitrogen load = (soluble organic nitrogen and ammonia from incoming wastewater) + (nitrogen from Return Activa....+ (nitrogen from Return Activated Sludge) + (nitrogen from recirculation).

Question 2. Ammonia is converted into nitrate which is converted into__________ and released into the atmosphere.....

Question 3. Which of the following process is leads to removal of nitrogen gas from water?....

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Question 8. Nitrifying bacteria cannot survive at 0° C.....

Question 9. Nitrogen is returned back into the atmosphere by the activity of _________....

Question 10. Which of the following doesn’t lead to toxicity of waste water?....

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