Which soil order is the most spatially widespread?
A) Entisols B) Gelisols C) Alfisols D) Vertisols
C
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Airplanes measure their altitude using
A) a mercury barometer. B) an anemometer. C) a hygrometer. D) an aneroid barometer. E) sextants.
In order to be classified as a mineral, a substance must be:
a. inorganic b. naturally occurring c. crystalline d. all of the above
The idea that the genetic code seems to be "arbitrary" (i.e. could be different and still function as well) actually strengthens the hypothesis that all life shares a common ancestor.
a. true b. false
The following question is based on the enlarged portion of the weather map for August 29 shown here. Three weather stations, marked Land 1 (Lake Charles, LA), Gulf 1, and Gulf 2 (weather buoys in the Gulf of Mexico), are labeled. What explains the difference in wind direction between the three weather stations?
