Why bacteria in the soil. are necessary in this ecosystem 8th Grade Science

2 answers:

6 0

There could be a lot of reasons. To help break down food for the plants, kill off bad and harmful things that might damage the plant.

kakasveta [241]3 years ago

3 0

Bacteria are important in the soil to maintain the nitrogen cycle. Certain type of bacterais help in nitrogen fixation. They also decompose dead and decaying matter into nitrogen compounds such as ammonia. The nitrogen and nitrogenous compounds in turm help the plant to grow.

When the plant dies, the bacteria again decomposes it into nitrogenous compounds. Not only plants, but also animals. The nitrogen then passes through various stages and then gets back to atmospheric nitrogen. Bacteria is an important part of this nitrogen cycle.

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The largest organ of the human body is the skin. The total external skin area of the average human covers an area of approximate

masha68 [24]

Answer:

$Body\ surface\ area=\sqrt {\frac {Weight\times Height}{3600}}$

Explanation:

Skin covers all the body surfaces. The purpose of the skin is protect the body against infection, injury, heat or cold and also to store water and vitamins.

Body surface area is measure of surface area of the human body. It is measured in $m^2$ .

<u>There are many ways to measure the skin surface area of the body but the formula which is widely used is Mosteller formula, which is:</u>

$Body\ surface\ area=\sqrt {\frac {Weight\times Height}{3600}}$

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Alchen [17]

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These changes also affect phenomena on earth, especially the auroras.

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2 years ago

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Which of these sources of energy have not acquired energy from sun??

steposvetlana [31]

B wind has nothing to do with the sun

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3 years ago

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Describe what is happening in terms of atoms and bonds in this chemical reaction

erica [24]

The atoms are going through decomposition.They are breaking apart into the elements they are made of.