-40 is less then -20 so -40c is colder then -20c.
-40°C is colder than -30°C.
Yes, -20°C is colder than -15°C. The larger the negative value, the colder the temperature.
-20 deg C is 3 degrees colder than -17 deg C.
Yes, it is.
Yes, 20C is colder than 78F. 20C is 68F.
20 Celsius is colder than 25 Celsius. The higher the number in degrees Celsius, the warmer the temperature.
8
Yes, 10 degrees Fahrenheit is 5.5 degrees Celsius, so it is colder than 20 degrees Celsius.
10
-18°C is colder than -9.6°C.
-40 F is equal to -40 C. Both temperatures represent the same point on the Fahrenheit and Celsius scales.