Jim the Meteorologist Has Predicted Fair Weather All Day but Sees

question 31

Multiple Choice

Jim the meteorologist has predicted fair weather all day but sees flashes of lightning followed by rolls of thunder. To calculate the distance to the lightning bolt, Jim should measure the time between the instant he first sees a lightning flash and the

• A) instant the lightning flash is over.
• B) instant he hears the beginning of the next thunder roll.
• C) instant he hears the middle of the next thunder roll.
• D) instant he hears the end of the next thunder roll.
• E) instant he sees the beginning of the next lightning flash.

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Definitions:

Ventilation

The process of moving air in and out of the lungs to facilitate gas exchange with the internal environment, primarily involving oxygen and carbon dioxide.

Blood pH

The measure of acidity or alkalinity of the blood, which is typically maintained at around 7.35 to 7.45.

Hering-Breuer Reflex

Sensory impulses from stretch receptors in the lungs arrest inspiration; expiration then occurs.

Overinflation

The condition of being expanded or filled beyond the optimal level, often referring to the lungs or tires.