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Go to the EPA's Air Quality Index ( HYPERLINK "Http://www

question 66

Essay

Go to the EPA's Air Quality Index ( HYPERLINK "http://www.airnow.gov/" http://www.airnow.gov/).Look at the air quality for the area in which you live (both current and archived).Does any of this information surprise you? Now,research an area that you think would have a high level of air pollution and one that you think would have a low level.Do the results surprise you?


Definitions:

Blood Pressure

The pressure of circulating blood against the walls of blood vessels, often measured for diagnosis since it is closely related to the force and rate of the heart's contractions and the diameter and elasticity of the arterial walls.

Loop of Henle

A section of the nephron in the kidney that functions in water and salt balance, crucial for urine concentration.

Osmotic Pressure

Measure of the tendency of water to move across a selectively permeable membrane; visible as an increase in liquid on the side of the membrane with higher solute concentration.

Medulla

The innermost part of an organ or structure, such as the medulla oblongata in the brain or the medulla in the kidney.

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