28
The change is a decrease of 28 degrees Celsius.
20 degrees Celsius is 68 degrees Fahrenheit. 45 degrees Celsius is 113 degrees Fahrenheit. So 25 degrees change Celsius = 25 x 1.8 = 45 degrees Fahrenheit. 1 degree change in Celsius is equivalent to 1.8 degrees change in Fahrenheit. Scroll down to related links and look at "Conversion of Temperature Units".
59 degrees Fahrenheit = 15 degrees Celsius
46 degrees Fahrenheit = 7.78 degrees Celsius
The change is 7 Celsius degrees (NOT degrees Celsius).
1 degree Celsius = 33.8 degrees Fahrenheit 2 degrees Celsius = 35.6 degrees Fahrenheit 35.6 - 33.8 = 1.8
15
Add 273.15 to Celsius to get Kelvin.
Steam. Water boils at 100 degrees Celsius.
Since --7 deg = +7 deg, the change is 1 Celsius degree.
1 degree Celsius
12 - (-5) = 17 deg
Celsius degrees are larger.