Natalie Wants to Collect Data About the Exercise Habits of Dual-Earner

question 6

Multiple Choice

Natalie wants to collect data about the exercise habits of dual-earner families.As a graduate student,she has little money to fund the study and she needs to collect the data as quickly as possible.Natalie should use the ____________ method.

• A) clinical
• B) survey
• C) observational
• D) formal experiment

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Definitions:

Air Pollution

The presence of harmful or excessive quantities of substances in the air that pose risks to human health and the environment.

Octane Enhancer

A chemical additive used in fuel to increase its octane rating, thereby improving engine performance and efficiency.

Lead

A chemical element with the symbol Pb and atomic number 82, known for its use in batteries, bullets, and as a protective shielding against radiation.

Refuse Act

A federal law aimed at protecting navigable waters in the United States by prohibiting the discharge of refuse into these waters without a permit.