What is the name of (CH3)3NH+Br-?
A) trimethylamine bromine
B) trimethylamine bromide
C) trimethylammonium bromine
D) trimethylammonium bromide
D
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Which of the following does not increase the rate of soil erosion?
A. deforestation B. construction C. retiring cropland without establishing alternate vegetative coverage D. contour plowing in agriculture
A bungee jumper makes her jump. The force of the bungee cord on her is greatest when her
A) velocity is maximum. B) velocity is minimum. C) neither A nor B
Which process makes it the most difficult to trace metamorphic rocks to their parent rocks?
A) fluid metamorphism B) regional metamorphism C) contact metamorphism D) melting
The largest of the ocean basins, which currently covers more than half of the ocean surface, is the ________
A) Arctic Ocean B) Atlantic Ocean C) Indian Ocean D) Pacific Ocean E) Southern Ocean