1. pine   cedro   roble   pino   arce   Hint Half-n-half Clue   2. poplar   cedro   abedul   abeto   álamo   Half-n-half Clue   3. oak   cedro   álamo   roble   pino   Half-n-half Clue   4. birch   abeto   roble   pino   abedul   Half-n-half Clue   5. fir   roble   álamo   cedro   abeto   Half-n-half Clue   6. chestnut   olmo   álamo   castaño   abeto   Half-n-half Clue   7. elm   olmo   abedul   haya   abeto   Half-n-half Clue