Which of the following is one of the starting materials in the manufacture of Dacron?
A) o-xylene
B) m-xylene
C) p-xylene
D) none of these
C
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Atmospheric greenhouse gases
A) absorb shortwave radiation and also impede the transfer of latent and sensible heat B) absorb shortwave radiation but do not impede the transfer of latent and sensible heat C) absorb longwave radiation but do not impede the transfer of latent and sensible heat D) absorb longwave radiation and also impede the transfer of latent and sensible heat
Of the following, which Canadian area has no major areas of oil and gas production?
A) Rocky Mountains B) Arctic Ocean C) Hudson Bay D) Labrador Sea
In which geologic setting is the most widespread occurrence of hydrothermal metamorphism found?
A) Subduction zones between oceanic and continental plates B) Along the axis of a mid-ocean ridge system C) Along transform plate boundaries D) Where mantle plumes interact with the bottom of continental plates
Water vapor can be the ________ most abundant gas component of the Earth's atmosphere, with concentrations of up to ________.
A. tenth; 2 percent B. second; 70 percent C. third; 3 percent D. fifth; 1 percent