A soil with a thin A horizon, a thick O horizon and a B horizon with considerable clay content is most likely a ________ soil
A) forest
B) rainforest
C) grassland
D) desert
E) wetland
Answer: A
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The figure above is an oblique Google earth image from southwestern North America looking approximately north. The view is approximately 50km across. The area is a classic area of normal faulting.
As the pH increases, the hydroxide ion concentration
A. stays constant. B. goes down. C. starts to decrease because it is reacting with the excess hydronium ions. D. gets larger. E. starts to affect the H+ concentration.
Based on the principle of Superposition, we know that, in a sequence of strata, the following relative age is right:
a. A layer of sediment should be the same age as its adjacent one b. The youngest bed is on the bottom c. Younger strata above older strata d. Each layer of sediment must be older than the one below
Typically, the most important criterion when people select a home is accessibility to work
Indicate whether the statement is true or false