In which of the following proteins is the b-pleated sheet the predominant structure?
A) keratin
B) silk
C) both a and b
D) neither a nor b
B
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In the United States, what percentage of direct water use is lost due to water leaks?
A. 4% B. 14% C. 30% D. 55% E. 72%
Explain how Wegener used ancient glacier evidence to support his continental drift hypothesis
How was he able to account for lush tropical environments in North America, Europe, and Asia during the same time period of glaciation as South America, Africa, and India? What will be an ideal response?
A(n)____________________represents an extremely stable atmosphere where warm air lies above cool air
Fill in the blank with correct word.
Orogeny is____________.
a) a theory that explains the formation of oblique faults b) a general term meaning "mountain building process" c) type of asymmetrical anticline d) a mountain range in Asia e) none of these