Original Project
Weathering, Erosion, and Deposition
Item WE059001: Rain wears away very small amounts of the rock of a cliff whenever the rain falls.
How long would it take for rain falling on the solid rock of a cliff to wear away the rock, even by amounts so small that they cannot be seen?
- It takes at least a million years to wear away even very small amounts of the rock.
- It takes about a year to wear away even very small amounts of the rock.
- Rain wears away very small amounts of the rock of a cliff whenever the rain falls.
- Rain is not strong enough to wear away even a very small amount of the rock of a cliff.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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|---|---|---|---|---|---|---|---|---|
| n = 1390 |
6–8 n = 878 |
9–12 n = 507 |
Male n = 689 |
Female n = 672 |
English n = 1228 |
Other n = 127 |
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| A. | It takes at least a million years to wear away even very small amounts of the rock. | 28% | 29% | 27% | 27% | 30% | 28% | 26% |
| B. | It takes about a year to wear away even very small amounts of the rock. | 25% | 24% | 26% | 29% | 21% | 24% | 31% |
| C. | Rain wears away very small amounts of the rock of a cliff whenever the rain falls. | 37% | 37% | 37% | 36% | 38% | 38% | 32% |
| D. | Rain is not strong enough to wear away even a very small amount of the rock of a cliff. | 9% | 9% | 9% | 9% | 11% | 9% | 10% |