The Majority of Cancers Are Caused by

question 22

Multiple Choice

The majority of cancers are caused by

• A) a sedentary lifestyle.
• B) negative thoughts.
• C) genetic factors.
• D) contact with a person who has cancer.
• E) chemical exposure or other environmental factors.

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Definitions:

Vaporization

To change state from a liquid to a gas. The result of boiling a liquid. To evaporate.

Reefer Trailers

Refrigerated trailers used for transporting perishable goods that require temperature-controlled environments.

Refrigerant

The cooling media used in air-conditioning and trailer reefer systems; a liquid capable of vaporizing at low temperatures such as ammonia, propane, R-12, R-134a, R-1234yf, etc.

Absolute Zero

The lowest possible temperature, at which all molecular movement stops, theoretically -273.15°C or 0 Kelvin.