What Plate Is Subducting Beneath Southwestern Canada and the Northwestern

question 55

Multiple Choice

What plate is subducting beneath southwestern Canada and the northwestern United States?

• A)the Cocos Plate
• B)the Nazca Plate
• C)the Juan de Fuca Plate
• D)the Pacific Plate

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Definitions:

Alveolar Walls

Thin layers of tissue forming the air sacs in the lungs, where gas exchange with the blood takes place.

Spirometer

A device used to measure the volume of air inhaled and exhaled from the lungs to assess lung health.

Respiratory Volumes

Measurements that describe the amount of air in the lungs during various phases of the breathing cycle.

Pulmonary Fibrosis

A lung disease that occurs when lung tissue becomes damaged and scarred, impeding effective gas exchange and breathing.