Which amino acid accounts for about 33% of the collagen structure?

A) alanine
B) glycine
C) hydroxyproline
D) proline


B

Environmental & Atmospheric Sciences

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Gasification and liquefaction techniques

A. refine petroleum to gasoline. B. transform natural gas to liquid gasoline. C. clean sulfur from petroleum. D. convert coal to more versatile fuel.

Environmental & Atmospheric Sciences

Physical geography's major function is to study and learn about:

a. human activity and the results thereof. b. Earth's environments and the processes that influence them. c. the physical and human features of a region. d. the composition of Earth's crust.

Environmental & Atmospheric Sciences

Of the following, which is energized by the wind?

A) Tidal bores B) Ocean currents C) Tides D) Deep ocean circulation E) The cryosphere

Environmental & Atmospheric Sciences

How would a chemical sedimentary rock form?

A) from the precipitation of minerals B) particles of preexisting rocks liberate by physical weathering, then cement together C) a metamorphic rock breaks down D) a sedimentary rock is intensely heated

Environmental & Atmospheric Sciences