Available choices:
[a]. a landslide
[b]. Sediment
[c]. a mountain
[d]. a volcano
[e]. soils
[f]. rock
[g]. flooding
[h]. a river
Q: Fact 1: Erosion causes a river to become deeper and wider. Fact 2: Weathering and erosion continue to shape it today. Given the two facts above, weathering causes what to become deeper and wider?
A:
[h].