1. cave   terreno, campo   orilla, ribera   volcán   cueva, caverna   Hint Half-n-half Clue   2. spring   volcán   colina   fuente, manantial   marisma   Half-n-half Clue   3. swamp   archipiélago   marisma   paisaje   colina   Half-n-half Clue   4. volcano   arroyo   volcán   colina   selva tropical   Half-n-half Clue   5. trench   orilla, ribera   paisaje   trinchera   lecho marino, cama de mar   Half-n-half Clue   6. mountain pass   marisma   territorio   ribera   paso   Half-n-half Clue   7. archipelago   archipiélago   mapa, carte   paso   iceberg   Half-n-half Clue