Which of the following alcohols has the highest boiling point?
A) 1-pentanol
B) 1,5-pentanediol
C) 1,3,5-pentanetriol
D) 1-butanol
C
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What are some of the largest national parks in the Canadian and American Intermontane and where are they located?
What will be an ideal response?
What statement most accurately describes the theory of seafloor spreading?
A)Subduction zones produce oceanic crust that moves away from these zones by seafloor spreading toward mid-oceanic ridges where it is consumed. B)Oceanic crust continuously forms across the seafloor and is moved by subduction zones toward mid-oceanic ridges where it is consumed. C)Oceanic crust continuously forms at mid-oceanic ridges, moves away from these ridges by seafloor spreading, and is consumed at subduction zones. D)Earth's molten core material erupts at mid-oceanic ridges, moves away from these ridges by seafloor spreading, and is consumed at subduction zones. E)Subduction zones force oceanic crust to spread across the seafloor before being consumed at a fault valley.
Which of the following compounds is a natural ripening agent for fruits?
A) ethane B) ethylene C) acetylene D) none of these
Divergent plate boundaries around the world are indicated by
A. both seafloor spreading and subduction zones. B. seafloor spreading. C. hotspots. D. subduction zones.