Four of the five answers listed below are components of the human respiratory system. Select the exception
a. thoracic cavity
b. trachea
c. diaphragm
d. spiracle
e. larynx
d
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A lipoprotein is a combination of protein and
1.cholesterol, triglycerides, and phospholipids. 2.oligosaccharides. 3.fatty acids. 4.nucleic acids. 5.collagen.
Immigration and __________ permanently affect population size, but __________ does not. Fill in the blank(s) with the appropriate word(s)
The global patterns of atmospheric circulation and precipitation occur because ofÂ
A. rising masses of warm air and sinking masses of cool air. B. the greenhouse effect. C. global differentials in sea surface temperature. D. the cooling of the land. E. winds blowing off of the world's major mountain chains.
In exergonic chemical reactions,
A) energy is stored by the reactions. B) the reactants have less energy than do the products. C) the reactants and products have equal amounts of energy. D) the reactants have more energy than do the products.