1. Flat, open grassland with scattered with trees and shrubs

2. A smaller river or stream that flows into a larger one
3. A narrow strip of land connecting two larger landmasses
4. Sand, rock, or coral near the surface of the water
Answers: Canyon, dune, isthums, plateau, savanna, delta tributary, oasis, reef, and strait

1 answer

1. Savanna
2. Tributary
3. Isthmus
4. Reef