| Answer | Crossword Clue |
|---|---|
| burrowed | Make a thorough inquiry; investigate |
| burrowing | Make a thorough inquiry; investigate |
| problems | An inquiry starting from given conditions to investigate or demonstrate a fact, result, or law |
| problem | An inquiry starting from given conditions to investigate or demonstrate a fact, result, or law |
| investigates | INVESTIGATE, to observe or study by close examination and systematic inquiry |
| investigating | INVESTIGATE, to observe or study by close examination and systematic inquiry |
| investigated | INVESTIGATE, to observe or study by close examination and systematic inquiry |
