Although Data Indicates Some Improvement, There Is Still Concern Regarding

question 95

Essay

Although data indicates some improvement, there is still concern regarding the concentration of ozone in the stratosphere. Why would a decrease in ozone concentration be important?

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Definitions:

Oxygenated Blood

Blood that has been enriched with oxygen by the lungs and is circulated by the heart to the rest of the body.

Ventricles

Cavities within the brain that produce and contain cerebrospinal fluid, or chambers in the heart that receive or pump blood.

Blood Pressure

The pressure of circulating blood on the walls of blood vessels, usually measured with a sphygmomanometer.

Ventricles

The two lower chambers of the heart that receive blood from the atria and pump it into the arteries.