Across
- 1. someone who builds things with stone
- 3. a period of ten years
- 6. a system for transmitting messages
- 7. heavy military artillery to protect land
- 8. a person whose job is to solve crimes
- 9. to change an appearance
Down
- 2. something that may not exist
- 4. the activity of competing
- 5. to search for information
- 8. using facts/reasoning to come to conclusions