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Subjects
Science State Board
Class 8
Measurment
System of units and clocks
19.
Time zones
Exercise condition:
4
m.
Match the column A with column B
:
Column A
Column B
1
.
Shows date, day, month, year and temperature
Quartz clock
Digital clock
Atomic clock
2
.
Ancient time measuring devices
Sundial
Atomic clock
Analog clock
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