What data were used to develop the first geologic time scales?
A. the fossil record
B. analyses of radioactive elements
C. uniformitarianism
Answer: A
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The first scientific expedition to use an echo sounder was the ____
A) ?Challenger expedition B) ?Meteor expedition C) ?United States Exploring expedition D) ?voyage of Trieste
Where does the greatest rate of species loss occur today?
What will be an ideal response?
When centrifugal force supplements the Coriolis force around curved high pressure areas, ____________________ flow results
Fill in the blank(s) with correct word
What is a dip slope?
a. It has to do with the oil dipstick in a car. b. The slope of a hill is parallel to the inclined layers beneath the ground surface. c. This describes depressions in the ground left by slumping. d. This refers to an abrupt increase in the steepness of the slide plane in a given landslide. e. This refers to slopes that are steeper than the angle of repose.