The geologic time scale was first developed in the 19th century using radiometric-dating techniques
Indicate whether the statement is true or false
False
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The planet with a mass most like Earth's is
A. Mars. B. Saturn. C. Neptune. D. Venus. E. Mercury.
Which is the primary factor that causes ground water to flow more slowly than surface water?
A) friction B) temperature C) pressure D) small pore sizes
Rates in the Earth system
A. are nearly always very slow. B. are nearly always very fast. C. span the range from very rapid to very slow. D. can never be calculated accurately.
Which of the following is incorrect regarding the Northern Hemisphere subpolar low-pressure cells?
A) They are found around 60° N. B) They develop more strongly over the ocean than over land. C) They are known as the Aleutian and Icelandic lows. D) They are associated with the polar front. E) They are generally stronger in summer than in winter.