Across
- 2. make sth. work much better or become much better again
- 5. a class on a particular subject, usu. given as a form of training
- 6. relating to fighting wars
Down
- 1. a scientist who studies geophysics
- 3. a date on which sth. special or important happened in a previous year
- 4. a group of events or actions that are planned to happen one after the other