The official record for the lowest temperature ever recorded on earth was set at Vostok, Antarctica, on July 21, 1983. the temperature on that day fell to - 89.2 degree celcius well below the temperature of dry ice.
A) what is this temperature in degree fahrenheit?
B) find change in temperature in degree kelvin between an initial temperature of -20 degree celcius and the final temperature of -89.2 degree celcius.