Solve these clues to fill the grid.
- Tiny single-celled living things, some of which cause illness
- 4 Across
- Chemical agent capable of ___
- 5 Across
- The act of ___ something
- 6 Across
- Rod-shaped bacteria some saprophytic or causing diseases
- 8 Across
- Identifying the nature or cause of some phenomenon
- 11 Across
- Of or relating to ___
- 12 Across
- Involving the entire earth
- 14 Across
- An illness that harms the body
- 15 Across
- Activity leading to skilled behavior
- 1 Down
- Care provided to improve a situation
- 2 Down
- The act of subjecting to experimental test in order to determine how well something works
- 3 Down
- Infection transmitted by inhalation or ingestion of ___ bacilli and manifested in fever
- 7 Down
- The month following February and preceding April
- 8 Down
- Screen that shows what a computer is doing
- 9 Down
- Not presently active
- 10 Down
- A living thing that has the ability to act or function independently (plural)
- 13 Down