| Answer | Crossword Clue |
|---|---|
| BRUNT | Major impact |
| CRATER | Major impact evidence |
| CRATER | Evidence of major impact? |
| CRATER | Evidence of a major impact |
| BRUNT | Major impact, as of an attack |
| impactful | Having a major impact or effect |
| keystone | species of plant or animal that produces a major impact (as by predation) on its ecosystem and is considered essential to maintaining optimum ecosystem function or structure |
