Question

1)Which of the following processes shows the correct order by which nitrogen wastes are handled during tertiary treatment?
 ammonia ? nitrogen gas ? oxygen
 ammonia ? nitrates ? nitrogen gas 
oxygen ? ammonia ? nitrates
 nitrogen oxide ? ammonia ? oxygen

Answer 1

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Answer 2

oxygen ? ammonia ? nitrates

Answer 3

thank you ... can you please help me with another one

Answer 4

Which of the following is an example of an emphasis on production quality? 
Emphasis on pollution cleanup 
Emphasis on renewable resources 
Matter is recycled
Natural resources are very important

Answer 5

@goformit100