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ollegr [7]
3 years ago
10

Explain how a farmer maintain the fertility of soil without using nitrogen fertilizerhow farmers maintain the fertility

Biology
1 answer:
snow_lady [41]3 years ago
4 0

Answer:

Answer: Hope this may help you

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After a heavy rain, the most run off would probably occur in an area where the soil contained large amounts of? a Gravel b Silt
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Clay because it’s a mixture of dirt and runoff/water
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The particles of minerals or other rocks that make up a rock are called what?
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The small particles of rock or the remains of living things that make up sedimentary rocks are called cement<span>.</span>
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3 years ago
A simplified model of protein synthesis is shown here: How might this model be revised to show a more accurate depiction of prot
Nady [450]

Answer:

<em>The correct options are:</em>

<em>Prior to process 1, DNA should copy itself to allow the cell to divide.</em>

<em>Between processes 1 and 2, the mRNA must be modified before leaving the  nucleus.</em>

Explanation:

For eukaryotes, the mRNA is made in the nucleus from the DNA. This process in known as transcription. The process of making proteins from the mRNA takes place in the ribososmes of the cytoplasm. This process is known as translation. The mRNA has to be modified before it is transported for translation. Otherwise, the mRNA will be degraded by the enzymes of the nucleus.

7 0
3 years ago
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Could a cell grow large enough to engulf your school
Sergio039 [100]
No not a singular cell but many could join up together..
4 0
3 years ago
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Which of the following statements about positive feedback mechanisms is not true?
Hunter-Best [27]

Answer:

The correct answer is d  the positive feed back reduces change in the the system

Explanation:

In an  biochemical reaction when the released product stimulate the release and activation of the same product and act together to exibit their biological function, then this type of regulation is called positive feedback.

     The positive feed back mechanism leads to increased change in the system that"s why it is named so.

    For example during blood clotting platelets molecules are released to form clots to stop bleeding. one activated platelet can stimulates the activity of other platelets which then join together to form a group for generating further blood clots.

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3 years ago
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