Original Project
Weathering, Erosion, and Deposition
The surface of the earth is changed as rock material is broken, carried, and dropped in new locations. -AND- Sm…
Item WE031002: It takes many millions of years to wear away a mountain until it is almost flat.
How long would it take for water and wind to wear away the solid rock of a mountain that is now 5,000 feet high until it is only 50 feet high?
- About 50 years
- About 500 years
- Many millions of years
- Wind and water could never wear away the solid rock of a mountain that much.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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|---|---|---|---|---|---|---|---|---|
| n = 1166 |
6–8 n = 713 |
9–12 n = 453 |
Male n = 569 |
Female n = 571 |
English n = 1018 |
Other n = 112 |
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| A. | About 50 years | 10% | 11% | 7% | 10% | 9% | 9% | 10% |
| B. | About 500 years | 18% | 18% | 17% | 15% | 20% | 17% | 21% |
| C. | Many millions of years | 62% | 59% | 66% | 64% | 61% | 64% | 53% |
| D. | Wind and water could never wear away the solid rock of a mountain that much. | 11% | 11% | 10% | 11% | 10% | 10% | 17% |