Biology, 24.07.2019 14:20 ginnysharp6411

What is the "downside" to extensive use of synthesized nitrogen-containing fertilizers?

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There are several "downsides" to extensive use of synthesized nitrogen-containing fertilizers; it contributes to algal blooms and dead zones in bodies of water, nitrogen is usually considered as a highly effective and economical fertilizer. However, the repeated use of the chemical can cause an imbalance in the pH of the soil, eventually leaving it unusable for growth of any kind.

Answer from: james590

ANSWER:

An extensive use of synthesized fertilizers can cause over fertilization as then the nutrients are readily available to the plant. The repeated use of these fertilizers can promote alagal growth, build up of toxic chemicals like arsenic, cadmium, and uranium in soil. These harmful chemicals can indirectly reach your body through fruits and vegetables. It can also change the PH of the soil. Furthermore, the extensive use of these fertilizers can release greenhouse gases and attracts pest.

Answer from: Quest

one comes through sex and the other does not lul im not

Answer from: Quest

answer: - b cells

explanation: -

there are many types of white blood cells present in our body. one such class of white blood cells are the lymphocytes. the b cells belong to the lymphocyte class of wbcs. the b cells perform their action against the pathogen by producing specialised proteins called as antibodies. these antibodies are produced as and when the b cells encounter pathogens in response to the antigens present on the surface of the pathogen. these antibodies bind to the antigens present on the pathogen and then, target them for destruction by other cells of the immune system.

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

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