Visualize five horizontal sedimentary strata exposed in a cliff or canyon wall identified by consecutive numbers, 1 being the lowest bed and 5 being the highest. Which of the following statements concerning the strata are TRUE?
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Clean, dry air is composed almost entirely of ________.
Clean, dry air is composed almost entirely of ________.
The use of coal and other fuels is the most prominent means…
The use of coal and other fuels is the most prominent means by which humans add ________ to the atmosphere.
Loess deposits in the United States are generally found ____…
Loess deposits in the United States are generally found ________.
Fossils can be used to determine all of the following, EXCEP…
Fossils can be used to determine all of the following, EXCEPT:
Which of the following is TRUE about playa lakes?
Which of the following is TRUE about playa lakes?
Which of the following is true of the eye of a hurricane?
Which of the following is true of the eye of a hurricane?
Ash and lapilli are different sized pyroclastic particles.
Ash and lapilli are different sized pyroclastic particles.
Which of the following methods would be best for dating even…
Which of the following methods would be best for dating events from the historic past, or recent geologic history?
A poleward-moving ocean current is ________.
A poleward-moving ocean current is ________.