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                              Q:
                           
                           
                                                      | A) atoms | B) molecules | 
| C) Both A & B | D) None of the above | 
                              Answer:   C) Both A & B
                              
                                                            
                              
Explanation:
                               
                           
                           Explanation:
Thermal energy is caused by the motion of atoms and molecules in the matter.

- Thermal energy is an example of kinetic energy, as it is due to the motion of particles, with motion being the key.
- Thermal energy results in an object or a system having a temperature that can be measured.
- Thermal energy can be transferred from one object or system to another in the form of heat.
 
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