| Answer | Crossword Clue |
|---|---|
| unsustainable | Upsetting the ecological balance by depleting natural resources |
| sustainable | (esp. of development, exploitation, or agriculture) Conserving an ecological balance by avoiding depletion of natural resources |
| Answer | Crossword Clue |
|---|---|
| unsustainable | Upsetting the ecological balance by depleting natural resources |
| sustainable | (esp. of development, exploitation, or agriculture) Conserving an ecological balance by avoiding depletion of natural resources |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.