1. rio   oasis   continent   river   peninsula   Hint Half-n-half Clue   2. cidade   oasis   waterfall, falls   city, town   island   Half-n-half Clue   3. pico   island   peak   bay   reef   Half-n-half Clue   4. platô, planalto   country   mountain   glacier   plateau   Half-n-half Clue   5. mar   plain   valley   peninsula   sea   Half-n-half Clue   6. arrecife   peak   lake   reef   oasis   Half-n-half Clue   7. cascata, catarata, cachoeira   lagoon   waterfall, falls   reef   oasis   Half-n-half Clue