Use the Following Information to Answer the Next Questions

question 68

Multiple Choice

Use the following information to answer the next questions.
Atmospheric pressure at sea level is equal to a column of 760 mm Hg.
Oxygen makes up 21% of the atmosphere by volume.
-If the partial pressure of CO2 at sea level is approximately 0.23 mm Hg, how does this influence gas exchange in terrestrial animals?

• A)the higher pressure of oxygen causes the lung surface to extract oxygen and give up carbon dioxide
• B)the lower pressure of oxygen causes the lung surface to extract oxygen and give up carbon dioxide
• C)the low concentration of carbon dioxide causes the oxygen to move across the lung surface
• D)the low concentration of carbon dioxide causes the carbon dioxide to exert pressure on the inner lung surface
• E)since the concentration of oxygen is lower in water, the moist surface of the lung extracts less carbon dioxide

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Definitions:

Slave Trade

The historical trade of enslaved people, primarily from Africa to the Americas, conducted from the 16th to the 19th centuries, which had profound economic, social, and demographic impacts.

Treaty of Tordesillas

An agreement between Portugal and Spain, concluded in 1494, that divided the newly discovered lands outside Europe between them along a meridian 370 leagues west of the Cape Verde islands.

Portuguese

Related to Portugal, its people, culture, or language, which is spoken primarily in Portugal and Brazil among other countries.

Catholic Church

A Christian religious institution led by the Pope, based in Vatican City, encompassing various traditions and practices worldwide.