The Earth is really a water planet; what percentage of Earth's surface is covered by water?
a. 71%
b. 25%
c. 100%
d. 50%
a
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As Marie jumps up and down on a floor, the support force by the floor
A. varies. B. remains constant. C. distributes unevenly. D. none of the above
What are the four agents of metamorphism?
What will be an ideal response?
You are asked to do a field study of a region of the Midwest United States that is thought to have once been covered by a glacier. Which of the following observations about the area would help confirm the hypothesis that a glacier once covered this region? (Check all that apply.)A) Local topographic maps show several moraines in the area.B) Historical weather records indicate the area experiences heavy snowfalls during the winter.C) Many farmers report encountering a layer of unsorted, rocky till material when plowing their fields.D) The local bedrock is mostly composed of fine-grained sandstones.
What will be an ideal response?
________ are fractures in bedrock along which sliding movement has taken place.
A. Joints B. Strains C. Strikes D. Faults E. Planes