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liubo4ka [24]
2 years ago
11

Which of the following is a nonpoint source of water pollution

Biology
1 answer:
Leokris [45]2 years ago
7 0

<u>Answer:</u>

"Rainwater pouring from an eroded bank into a river" is a non-point source of water pollution.

<u>Explanation:</u>

Bank erosion is the washing away of stream or river banks. This is distinct from erosion of the watercourse bed, known as scour. These erosion undermines the roots of trees which develop by a lake. As the roots closely connect the soil, they form abutments that jut out above the surface.

Non-point source water contamination is induced by widespread and isolated waste sources such as rain and snowmelt runoff, spills, leaks, and sediment erosions. To release any pollutant, without a permit, from a point source into navigable waters is illegal according to the Clean Water Act.

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which organelle converts cellular polymers into monomers? 1)lysosomes 2)golgibody 3)plastids 3)SER​
saw5 [17]

Answer:

1) lysosomes

Explanation:

because, they involve in intracellular digestion

5 0
2 years ago
A student reads the article "Autoimmune Diseases Stopped in Mice" and claims that this research will revolutionize
tresset_1 [31]

Answer:

Explanation:

An international team of scientists led by the Lomonosov Moscow State University group made a significant step in creating a new type of drug for treatment of autoimmune diseases, such as rheumatoid arthritis and Crohn's diseaase

4 0
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Read 2 more answers
Membrane proteins are not very soluble in water, because they possess long stretches of non-polar amino acids that exhibit what
Zanzabum
That are hydrophobic 
7 0
2 years ago
Anton Leeuwenhoek Devised a primitive microscope to observe a sample of his tooth scrapings. How did this help contribute it to
4vir4ik [10]

Answer:

C- it help to show that some bacteria are just one cell.

Explanation:

Anton Leeuwenhoek was the first scientist who observed the presence of bacteria in his tooth scratch under the microscope made by himself. At that time there was no concept of bacteria and he named those small creatures as animalcules which were later termed as bacteria.

Leeuwenhoek during 1670s  sent the details of his experimentation on algae and bacteria to Royal Society of London.

It was due to his that primitive experiment that made the discovery of bacteria and make it known to other scientists. Therefore option C is the best option that demonstrates that bacteria are single celled organisms that are very minute. When we look at cell theory there is a postulate that shows that cell is the fundamental unit of function and structure  of all living organisms. So, the work of Anton Leeuwenhoek holds substantial importance in the formulation of cell theory.

Hope it helps!


6 0
2 years ago
Which term best describes the macromolecule shown below? А monosaccharide В polysaccharide С amino acid D nucleic acid​
nadezda [96]

Answer:

B. Polysaccharide

Explanation:

A polysaccharide is a carbohydrate molecule made up of several units of monomers called monosaccharides linked together by glycosidic bonds. The monosaccharide is the simplest unit of a carbohydrate with the general formula, (CH2O)n.

However, the monosaccharides, which include glucose, fructose, galactose etc can link up by a bond to form a much larger carbohydrate molecule called POLYSACCHARIDE. As depicted in the image attached to this question, each ring is a monosaccharide, which becomes linked to one another to form a polymer called polysaccharide. Examples of polysaccharides are starch, glycogen, cellulose

7 0
2 years ago
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