Environmental Protection Tip of the Day: Reward for participating on 3.15 – 5 points, plus an additional 5 points for answering correctly

2016-03-15View Original

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Judge right or wrong； The nitrogen in wastewater comes only from industrial wastewater. ( )√ × ×

Reply #22016-03-15

The nitrogen in wastewater comes only from industrial wastewater. ( × )

Reply #32016-03-15

The nitrogen in wastewater comes only from industrial wastewater. ( × )

Reply #42016-03-15

× Wrong. Urban domestic wastewater and water used for agricultural irrigation are also among the main sources. To give a simple example: laundry detergent and fertilizers

Reply #52016-03-15

This post was last edited by 764970655 on 2016-3-15 08:17. The nitrogen in wastewater comes only from industrial wastewater. (Mistake)

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Environmental Protection Tip of the Day: Reward for participating on 3.15 – 5 points, plus an additional 5 points for answering correctly

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