Answer:
16) Celsius degree and Kelvin are related since they are measuring unit of temperature.
(17) Balance and Mass are related since mass can be measured with balance.
18) Liter and cubic centimeters are related since they are used to measure capacity or volume of liquid.
19) time and second are related since time is measured in second
20) decimeter and kilometer are related since they are measuring unit of distance or displacement.
Explanation: