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Which answer gives both a positive impact and a negative impact that are associated with the effects of nitrogen- and phosphorus-enhanced fertilizers?. . . A.increased algal blooms and damage to drinking water. . . b. increased plant growth and damage to drinking water. . . c. increase in denitrifying bacteria and increase in plant growth. . . d.increase in a limiting resource and increase in denitrifying bacteria

Answer :

daniel987
B as...
positive: the plants grow more nad faster so they are worth more and have a better quality

negative: drinking water may be damaged adding to the worlds water shortage 

hope that helps

Answer: Option b

Explanation: We need to find an answer which is associated with both a positive and a negative impact associated with effects of nitrogen and phosphorous enhanced fertilizers.

Use of fertilizers increase algal blooms and create problems such as poisoning and damage to fisheries, thus a negative impact.

Excess use of fertilizers create damage to drinking water, thus a negative impact.

Nitrogen and phosphorous are essential for plant growth and a positive impact.

Use of fertilizers do not affect the denitrifying bacteria.

Thus increase in plant growth is a positive impact and damage to drinking water is a negative impact.


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