What percentage of the atmosphere does carbon dioxide compose?

a. 0.003% c. 3%
b. 0.03% d. 0.3%


b. 0.03%

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The BEST prevention for the spread of the common cold is to ________

A) cover your mouth when you cough or sneeze B) wash your hands C) take vitamin B D) Both A and B

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What is defined as an unpleasant breath emanating from the oral cavity, regardless of its origin?

A) Periodontal disease B) Sour breath C) Halitosis D) Sweet breath

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The part of the eye that other people see, which exhibits color, is the:

A. canal B. iris C. posterior D. pupil

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ICD-9-CM/ICD-10-CM codes are assigned to ____________________ diagnoses and procedures and entered into automated abstracting software

Fill in the blank(s) with correct word

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