Which principle(s) would you use to determine the relative ages of beds in a sequence of flat-lying sedimentary rocks? Why?
What will be an ideal response?
Principle of superposition
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Barrier islands were probably formed during periods of:
a. rising sea level b. falling sea level c. stable sea level d. climatic cooling
Which of the following would most decrease the albedo of a city?
A. lighter, smoother surfaces B. darker, rougher surfaces C. lighter, rougher surfaces D. darker, smoother surfaces
The ________ experiences a temperature ________ primarily due to the absorption of ________.
A. stratosphere; decrease; ultraviolet rays B. troposphere; decrease; ultraviolet rays C. ozone; increase; gamma rays and x rays D. thermosphere; increase; gamma rays and x rays
A scientific theory is the first step in developing an idea. It is not very well tested
Indicate whether the statement is true or false