What is the common name of CH3-NH-C2H5?
A) ethylmethylamine
B) methylethylamine
C) N-methylethanamine
D) propanamine
A
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Which of these is a scientific hypothesis?
A. Your truest friends and you have the same astrological sign. B. The full Moon is a poor time to make decisions. C. The dumpster in your back alley is filled with garbage. D. none of the above
In terms of the three-cell model of the general circulation, which of the following latitudes is the likely location of surface low-pressure areas?
A. equator and the poles B. equator and 30° latitude C. equator and 60° latitude D. 30° latitude and 60° latitude
Of the following, ________ are documented negative impacts of dams
A) acid deposition B) increased carbon monoxide emissions, decreased rainfall C) increased atmospheric carbon dioxide and CFCs D) flooding, habitat destruction, alteration of river sediment deposition E) alteration of river salinity
The raw material for coal is dead marine organisms
Indicate whether this statement is true or false.