A Natural,meandering,river Channel Is Modified into a More or Less

question 31

Multiple Choice

A natural,meandering,river channel is modified into a more or less straight and smooth,canal-like channel.Which of the following statements is correct?

• A)The natural channel had a lower gradient and less friction than the modified channel.
• B)The straight channel has a higher gradient and more friction than the natural channel.
• C)The natural channel had a lower gradient and higher friction than the straight channel.
• D)All of the above statements are true.

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Definitions:

Clumping

The aggregation or coming together of particles or cells, often observed in blood cells in response to certain conditions or agents.

Globulin

A type of protein in blood plasma that plays roles in immune response, blood clotting, and transporting substances.

Plasma Protein

Proteins found in blood plasma that perform various functions, including clotting, defence against pathogens, and transport of substances.

Immunity

The body's ability to resist or fight off infection, disease, or other unwanted biological invasion.