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Chapter 8: Questions and Answers
by AudioLearn
CHAPTER 8: QUESTIONS AND ANSWERS
1. What is not necessary to have the ice cause weathering?
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A. Cracks in the rocks B. A spell of cold weather C. A spell of warm weather D. A dry spell in the weather
2. What is the origin of a rhizolith in a rock?
A. Volcanic activity B. Salt C. Trees D. Earthworms
3. When it comes to chemical weathering, which mineral will chemically weather first and more completely?
A. Pyroxene B. Quartz C. Olivine D. Amphibole
4. What causes Karst topography?
A. High winds B. High temperatures C. Mechanical weathering differences D. Chemical weathering differences
5. What is a major feature of Andisols?
A. It is a type of soil you see in the desert. B. It is soil that comes from fresh volcanic activity. C. It is soil that contains no nitrogen. D. It is soil that is mostly clay.
6. Soil is divided into different layers. Which of these layers or horizons is the top layer?
A. O horizon B. B horizon C. C horizon D. R horizon
7. When you look at the different soil orders, some are fertile and others aren't.
Which soil would not be at all fertile?
A. Andisols B. Mollisols C. Spodosols D. Vertisols
8. Which soil is generally too heavy to drain very well?
A. Loam B. Sandy C. Silt D. Clay
9. What mineral is mostly gotten from bauxite mined in parts of the world?
A. Copper B. Iron C. Aluminum D. Lead
10. What substance must get leached out of iron pyrite to make it much more able to get the iron out of it?
A. Carbonate B. Acid C. Nitrate D. Sulfate
