________ is an elevation point above which snow remains throughout the year
A) Firn
B) Snowline
C) Grounding line
D) Surge
Answer: B
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A bullet is dropped into a river from a very high bridge. At the same time, another bullet is fired from a gun, straight down towards the water. Neglecting air resistance, the acceleration just before striking the water
A) is greater for the dropped bullet. B) is greater for the fired bullet. C) is the same for each bullet. D) depends on how high they started. E) none of the above
______________ includes various processes by which rocks at or near Earth's surface are disintegrated or decomposed in preparation for their removal and transportation
Fill in the blank(s) with correct word
This photograph shows light-colored granite and darker diorite (both igneous rocks). Which of the following statements is true?
A. The light-colored unit is younger because granite is more continental than diorite. B. The granite is younger because it crosscuts the diorite. C. The diorite is older because its weathered surfaces are darker. D. All of these choices are correct.
What usually causes a downstream flood?
A. Localized accumulations of water upstream B. Very rapid deltaic sedimentation C. Storm surge during high tide D. Regional accumulations of water upstream