If a Person Smokes 10

question 56

Multiple Choice

If a person smokes 10.0 packs of cigarettes a week and each cigarette contains 5.00 mg of tar,how many years will she have to smoke to inhale 0.250 pounds of tar?
[20 cigarettes = 1 pack,1 pound = 454 g and 1 year = 52 weeks]

• A)2.18 y
• B)2.18 × 10^-2 y
• C)1.06 y
• D)28.6 y
• E)0.556 y

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Definitions:

Naturalistic Observation

A research method in which subjects are observed in their natural environment without any manipulation by the observer.

Field

A specific area of study or professional practice within a broader discipline, characterized by a unique set of theories, research methods, and applications.

Experimental Observation

A method in research involving the systematic watching, recording, and analysis of behaviors under controlled conditions in order to test hypotheses.

Controlled Observation

A research method where variables are manipulated to assess effects, often within a structured environment.