A cratonic sequence is ____
a. localized
b. short-lived
c. large-scale
d. determined by the fossil content of a craton
e. when cratonic rocks are ordered via numerical dating
c
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Why are there no well-defined horizons in this soil profile?
A) It is usually frozen
B) The area was recently covered by an ocean
C) Abundant leaf litter covers the surface
D) A volcano recently erupted in the area
E) It was recently deposited in a landslide
The law of conservation of matter tells us that matter:
A. Is used repeatedly B. Can be destroyed C. Can never be reused D. Can be conserved by some adaptive strategies E. Needs to be conserved or it will not be available for future generations
Geographers stopped finding the concept of subcultures useful around the turn of the twentieth century
Indicate whether the statement is true or false.
In economic base analysis, export means foreign exports
Indicate whether the statement is true or false