Most dunes move only ________ per year.
A. 1 to 2 kilometer
B. 30 to 100 meters
C. 5 to 10 kilometers
D. 10 to 100 kilometers
E. 10 to 15 meters
Answer: E
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The use of stereopairs is important in creating maps because they
A) allow the scale to become smaller. B) remove the distortions introduced by the map projection. C) reveal the three-dimensional features of a landscape. D) penetrate through the clouds that may have been present on the day when the aerial photograph was taken.
Mountain building in western North America did not begin until the Late Cretaceous Period
Indicate whether the statement is true or false
Which of the following is TRUE when the soil is at field capacity?
A) The soil is holding the maximum amount of water that it can hold against the pull of gravity. B) A surplus definitely exists. C) No gravity drainage has occurred. D) The capillary force is not acting.
Scientific evidence suggests that Earth formed approximately ____ ago
a. 4.6 trillion years b. 4.6 million years c. 4.6 billion years d. 4600 years e. 460 years