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lukranit [14]
3 years ago
12

A farmer’s profit is determined by the amount by which the sale value of the ___ ___ exceeds the cost of production and distribu

tion.
Biology
1 answer:
Likurg_2 [28]3 years ago
5 0

Answer:

profits farmer

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Soils contain small or trace amounts of many minerals, including the chemical elements phosphorus, calcium, potassium, magnesium
serg [7]

Answer:

Magnesium, calcium, phosphorous, sulfur these are essential nutrients for plants. These are required in trace quantity but are very important for plant life. Point A. will be correct answer.

Explanation:

As in B. starch n cellulose are composed of only carbon, oxygen and hydrogen.

As in C. These elements are not required on special occasion but are necessary throughout plant life.

As in D.  C H N O  is the primary component plants need but these secondary nutrients are equally necessary for growth n structure of plant.

<u><em>So answer A. Is the correct option.</em></u>

Calcium plays the most important role in structure formation of plants. Also act as messenger molecule in signaling. Deficiency  of calcium caused wilting , weakened stem and ultimately death of plant.

Magnesium is the key element in chlorophyll molecule. It is necessary for chlorophyll formation.

Sulfur is another very important element in plant life, it is necessary for protein synthesis in plants.

Phosphorous plays an important role in  process of cell devision , photosynthesis and respiration.

Potassium is very crucial in gaseous exchange ,it operates the opening and closing of stomata.

3 0
3 years ago
The hormone _____ appears to be designed, from an evolutionary standpoint, to protect the body against weight loss. question 9 o
babunello [35]
Leptin  hormone  is  the  hormones  which  appears  to  be   designed  to  protect  the  body  against  weight  loss.
    Leptin  hormone  is  secreted   from  fat  cells  and  it  helps  to  regulate  body  weight.  Leptin  hormone   is  predominantly made  by  adipose  cell that    help  to  regulate  energy  balance   by inhibiting  hunger. leptin  hormone  is opposed  by  the  action  of  the  ghrelin  hormone which  is  a  hunger  hormone/
3 0
3 years ago
Which electron carrier is used in the redox reactions in cellular respiration?
Gre4nikov [31]
NAD is the electron carrier which is used in redox reactions in cellular respiration
5 0
3 years ago
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Which is the best example of a suspension
Sonja [21]

Answer:

Emulsions are a type of suspension, where two immiscible liquids are mixed together. Examples of suspended solutions include salt water, sand in water, and muddy water.

Explanation:

8 0
3 years ago
Hypertrophy of the right ventricle is a compensatory response to a. tricuspid stenosis. b. pulmonary stenosis. c. aortic stenosi
Sliva [168]

Answer:

The correct answer is option B. pulmonary stenosis.

Explanation:

Hypertrophy of the right ventricle is also called right ventricular hypertrophy is a condition in which the heart muscles of the right ventricles are enlarged or thickened.

The hypertrophy of the right ventricle is a response to pulmonary stenosis. Pulmonary stenosis is the condition in which blood flow from the right ventricle to the pulmonary artery is obstructed due to the stenosis or narrowing at one or several points.

Thus, the correct answer is option B. pulmonary stenosis.

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