PDF chapter test TRY NOW

Drag the clocks to its appropriate place:
 
Answer variants:
clinicalthermometer153666.png
Patek_Philippe_&_Hewlett_Packard_Atomic_Clock_(circa_1960s)_-_Geneva_time._#NOLA_-_M.S._Rau_Antiques_(taken_on_2015-03-26_21.11.11_by_@DrGarcia).jpg
gps-304842_1280.png
 
1. Used in the navigation systems.
 
 
2. Measures the degree of hotness or coldness of a substance.