Which of the Following Is an Example of Using the Scientific

question 50

Multiple Choice

Which of the following is an example of using the scientific method with a natural experiment?

• A) Measuring how long it takes a marble to fall from a ten story building.
• B) Comparing plant growth with and without a soil additive.
• C) Tracking the price of oil when a war in the Middle East interrupts the flow of crude oil.
• D) Observing the reaction when two chemicals are mixed together.

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Definitions:

Mucus Streaming

The movement or flow of mucus, typically in the respiratory tract, as a defense mechanism against irritants or infections.

Pandemic

An epidemic that has spread over a large geographical area, affecting a significant portion of the population.

Tuberculosis

A bacterial infection primarily affecting the lungs and causing long-term cough, fever, and weight loss.

Chronic Bronchitis

A long-term inflammation of the bronchi in the lungs, characterized by coughing and difficulty breathing.