A thermometer has graduations which start at –10°C and end at 110°C.
What is the lower fixed point and what is the upper fixed point of the Celsius scale?
1 )
lower fixed point /°C:-10 / upper fixed point /°C:100
2 )
lower fixed point /°C:-10 / upper fixed point /°C:110
lower fixed point /°C:0 / upper fixed point /°C:100
4 )
lower fixed point /°C:0 / upper fixed point /°C:110
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