1. Name any three surface features that result from carbonation.2. Differentiate between a river system and a river regime.
Answer Text: 1. Grikes and clints- swallow /sink holes- Dry valleys- Dolines- Uvala- Polje- Gorges2. A river system refers to a river and all its tributaries while a river regime is the seasonal fluctuation/variation in the volume of water in a river