Q.

Who invented the Centigrade scale?

A. Anders Celsius
B. Daniel Gabriel Fahrenheit
C. William Thomsor
D. Wright Brothers
Answer» A. Anders Celsius
Explanation: Swedish astronomer Anders Celsius invented the Celsius temperature scale in 1742 A.D The Celsius scale invented by him has 100 degrees between the freezing point (0 C) and boiling point (100 C) of pure water at sea level air pressure.
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