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3 years ago

Identify three processes that fix atmospheric nitrogen

Biology

1 answer:

Anastaziya [24]3 years ago

5 0

Answer:

atmospheric nitrogen, Industrial Nitrogen and biological nitrogen

Explanation:

atmospheric nitrogen: During lightning, the high temperatures and pressures created in the air convert nitrogen into oxides of nitrogen.

Industrial Nitrogen: is done in the fertilizer manufacturing industries in which nitrogen and hydrogen from atmosphere is used to form ammonia which is further used to manufacture fertilizers .

biological nitrogen :

is done by few forms of bacteria (which may be free living like Azotobacter or symbiotic bacteria like Rhizobium) which can convert insert nitrogen molecule into forms like nitrates and nitrites which can be taken up by plants and used to make the required proteins.

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Help please!!!

dolphi86 [110]

i think its b ? am aint sure

4 0

3 years ago

Crossing over occurs in meiosis during ________ 1 when ________ (paired chromosomes consisting of four chromatids) form and stic

Aneli [31]

Answer:

1. Meiosis I

2. Tetrad

3. Tetrad

Explanation:

Crossing over refers to an event taking place in the cells undergoing meiosis cell division during which the exchange of material takes place. The process of crossing over takes place during pachytene of prophase I in meiosis I.

Crossing over takes place when the structure formed by the pairing of the four chromatids of the chromosomes called tetrad is formed. The formation of tetrad allows the exchange of genetic sequences, therefore, result in recombination.

The process of crossing over does not take place in the mitosis as the tetrad is not formed in the mitosis.

Thus, Meiosis I, Tetrad and tetrad are correct.

6 0

3 years ago

___________ condition characterized by destruction of the immune system so that the body is stripped of its ability to fend off

Law Incorporation [45]

Answer:

"AIDS-symptomatic"

Explanation:

According to my research on studies done by medical professionals, the condition characterized in the question happens when a person is "AIDS-symptomatic". AIDS causes the immune system to become deficient (destroyed) an leaves the body vulnerable. Therefore any small infection or illness can become life-threatening. The number 1 cause of death for people with AIDS is Pneumonia

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

3 0

3 years ago

One idea of biogreaphy is that the linger an environment is geographicly separated from others the more istent its species will

Svet_ta [14]

I think The answer is C

6 0

3 years ago

What does the surface area/volume ratio of 6:1 mean for the cells ability to get the materials it needs that move across the sur

Maksim231197 [3]

6:1 Ratio means that it is easier to move the materials. SA = ^2, while V = ^3. That means volume increases at a faster rate than surface area. That is why is it optimal to have a high SA:V ratio, which is why cells are so small.

3 0

4 years ago