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Savatey [412]
3 years ago
13

Which of the following is a form of point-source pollution? a. oil leaks from automobiles c. pesticide runoff b. gasoline leaks

from power boats d. sludge dumping
Biology
2 answers:
iris [78.8K]3 years ago
8 0
D) sludge dumping is going to be correct
julsineya [31]3 years ago
5 0
I believe the correct answer is D sludge dumping because point-source pollution is where humans purposely pollute something. A is an accident B is not point-source pollution C is an accident D is point-source pollution. 
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What happens to a living organism that does not obtain all four main types of macromolecules
GREYUIT [131]

Answer:

Living organism should obtain the 4 main types of macromolecules for maintaining proper body physiology.

Explanation:

The four major types of macromolecules that we should intake are Carbohydrate,protein,fat and nucleic. Each of them performs their specific functions.The 4 macromolecules are deeply interlinked to each other.

          Deficiency of one of these four macromolecules can leads to various health hazards or health abnormalities.

    For example if we do not intake carbohydrate then the lack of carbohydrate will weakens the body.The brain will not get sufficient amount of glucose to exhibit its biological function.

   The protein deficiency leads to the development of marusmus a phusiological disorder occur due to protein energy malnutrition.

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Answer:

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Explanation:

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3 0
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Suppose a human blood cell containing a 0.9 percent solute concentration were put into a container of 0 percent solute solution
Vladimir [108]

Answer and explanation:

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<u>The cell contains a </u><u>more concentrated solution</u><u> than the solution in the container</u>. The difference in concentration would produce an <em>osmotic gradient</em> that would cause water from the container to get inside the cell to even the concentrations - this is going to make the cell much bigger because the entering water would bloat the cell.

In this example, the solution in the container is hypotonic in relation to the cell, while the solution inside the cell is hypertonic in relation to the solution in the container. This is why the water will be moving from outside of the cell to the inside of the cell.

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