jonathan3191
16.03.2020 •
Biology
Use of synthetic fertilizers often leads to the contamination of groundwater with nitrates. Nitrate pollution is also a suspected cause of anoxic "dead zones" in the ocean. Which of the following might help reduce nitrate pollution?a) growing improved crop plants that have nitrogen-fixing enzymes.
b) adding nitrifying bacteria to the soil.
c) adding denitrifying bacteria to the soil.
d) using ammonia instead of nitrate as a fertilizer.
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Ответ:
Explanation:
Growing improved crop plants that have nitrogen fixing enzymes
Nitrate pollution occurs because of the introduction of excessive amounts of nitrogen to ground water and surface waterUse of synthetic fertilizers has resulted in high levels of pollution and eutrophication of lakes and rivers When nitrogen fertilizers are leached deep down into the soil they cause serious pollution problemsPlants that can do nitrogen fixation include members of family FabaceaeThe symbiotic association between legumes and Rhizobium is the most important nitrogen fixing association; rhizobia bacteria convert nitrogen gas to ammonia and this process is called nitrogen fixationОтвет:
The peripheral nervous system refers to parts of the nervous system outside the brain and spinal cord.
Explanation: