Which of the following amino acids is not optically active?
A) alanine
B) glycine
C) tryptophan
D) None of these, they are all optically active.
B
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Which of the following is not a consequence of the solar wind?
A) auroras B) disruption of radio communications C) overloads of electrical systems D) creation of Earth's magnetosphere
The boundaries of subunits or smaller cratons within the shield are based on topographic expression of different rock types
Indicate whether the statement is true or false
Because human population is becoming quite large, the doubling time for population has decreased
Indicate whether the statement is true or false
Which of the following is not one of the three zones of a river system?
A) Sediment Capacity Zone B) Sediment Transport Zone C) Sediment Deposition Zone D) Sediment Production Zone