Which of the following is a type of secondary structure?

A) a-helix
B) b-pleated sheet
C) both a and b
D) neither a nor b


C

Environmental & Atmospheric Sciences

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What visible light wave is almost completely absorbed and converted to heat within the first few meters of the ocean?

A) Red light waves B) Yellow light waves C) Green light waves D) Blue light waves

Environmental & Atmospheric Sciences

In North America, the ________ separates streams that flow into the Pacific Ocean from those that flow into the Atlantic Ocean and Gulf of Mexico.

A. Continental Divide B. Mississippi River C. Continental Transect D. Sierra Nevada Mountain Range E. Appalachian Mountain Range

Environmental & Atmospheric Sciences

Mammals became the dominant land animals during the ________ era

A) Pleistocene B) Mesozoic C) Cenozoic D) Cretaceous E) Paleozoic

Environmental & Atmospheric Sciences

"If domestic gas prices rise to $5 per gallon, growth will slow significantly and our quality of life will decline." This view is consistent with ________ economics

A) environmental B) neoclassical C) anarchic D) subsistence E) social

Environmental & Atmospheric Sciences