Across
- 3. tracking and monitoring an object
- 5. form of electrical signals
- 7. heated gas
- 8. a car or with four wheels
- 10. use to transporting peaople
- 12. first practical engine in 1712
- 13. is an electric light
- 14. groups of molecules
- 15. create antibodies
Down
- 1. is a global network
- 2. received through broadcast
- 4. reproducing text and images
- 6. is machine programmable by a computer
- 9. use to call
- 11. treatment and cure
