Fact 1: Most canyons are formed by flowing rivers through erosion over long periods of time. Fact 2: Weather wears down the by erosion. Given the two facts above, what geological form is made by rivers weathering the land over time?
Possible answers: 1. mountains; 2. plains; 3. loose soil; 4. soft soil; 5. Sediment; 6. soils; 7. canyons; 8. hills;
Answer:
7.