Which of the following is not true about the structure of an alveolus?
a. it has thick...
Which of the following is not true about the structure of an alveolus?
a. it has thick walls to trap gases that enter during the breathing
b. it has many capillaries running through its structure
c. it has high surface area allow lots of gas exchange
d. it has high concentration of oxygen and low concentration of carbon dioxide
Answers: 3
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Calculate the mass of carbon in 97.0 g of sucrose c12h22o11
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Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
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