Answer :
1 degree celcius = 273 degrees kelvin
20 degrees celcius = 273 + 20 degrees kelvin
20 degrees celcius = 293 degrees kelvin
20 degrees celcius = 273 + 20 degrees kelvin
20 degrees celcius = 293 degrees kelvin
1 degree cel=273 degree kelvin...
so 20degree cel=293 degree kelvin
so 20degree cel=293 degree kelvin