identify whether the following pictures show conduction convection or radiation

Answer:
1. Convection
2. Conduction
3. Conduction
4. Convection
5. Radiation
6. Conduction
7. Convection
8. Convection
9. Conduction
10. Conduction
11. Radiation
12. Conduction
13. Convection
14. Convection
15. Convection