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

Environmental & Atmospheric Sciences

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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%

Environmental & Atmospheric Sciences

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?

Environmental & Atmospheric Sciences

A(n)____________________represents an extremely stable atmosphere where warm air lies above cool air

Fill in the blank with correct word.

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences