GEO 105 - The Mohorovicic discontinuity refers to what

Question # 00659355 Posted By: dr.tony Updated on: 03/08/2018 09:23 AM Due on: 03/08/2018
Subject Geography Topic General Geography Tutorials:
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The Mohorovicic discontinuity refers to what? A. the top of the inner core of the Earth

B. the change in rock composition and density between the crust and the mantle

C. the change of rock density between the lithosphere and the asthenosphere E. the change in rock density between the ocean floors and the asthenosphere

D. the change in rock density between the ocean floors and the continents

2. The geographer's concern with the earth's interior is restricted primarily to its influence on ____. A. topography

B. climate

C. rock surfaces only

D. vegetation

E. human activities 3. Extrusive (volcanic) igneous rocks have smaller mineral crystals than intrusive

(plutonic) igneous rocks because

A. extrusive rocks cool faster.

B. extrusive rocks cool more slowly.

C. oxygen in the atmosphere inhibits crystal growth. D. nitrogen in the atmosphere inhibits crystal growth.

E. none of the above are true

4. The most common extrusive (volcanic) igneous rock is what?

A. basalt

B. granite

C. Sandstone

D. gneiss

E. gabbro

5. Marble is related to limestone in the same way

A. basalt is related to andesite.

B. gravel is related to conglomerate.

C. slate is related to shale.

D. sand is related to sandstone.

E. granite is related to basalt.

6. Metamorphic rocks are formed by what?

A. pressure and chemical cementation C. weathering, erosion, and deposition

B. cooling and solidification

D. heat and pressure

E. subduction and melting

7. Which of the following is NOT a property of minerals?

A. They can be man-made. B. They can be totally inorganic. C. A given mineral always has the same composition. D. Each mineral has a regular pattern of atoms. E. They are all composed of crystals.

8. Quartz is a member of the

A. silicates. B. oxides. C. sulfides. D. carbonates. E. halides.

9. Granite, gabbro, and diorite are all _______ rocks.

A. extrusive igneous B. clastic sedimentary C. foliated metamorphic D. intrusive igneous E. none of the above

10. Which of the following is integral to the study of landforms (topography)?

A. Structure B. Process C. Slope D. Drainage E. all of the above F. none of the above

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  1. Tutorial # 00658283 Posted By: dr.tony Posted on: 03/08/2018 09:23 AM
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