Which two temperatures have a sum of 0 degrees Celsius?
A: 4 degrees Celsius and 4 degrees Celsius
B: 4 degrees Celsius and −4 degrees Celsius
C: −4 degrees Celsius and −4 degrees Celsius
D: 4 degrees Celsius and 0 degrees Celsius
A: 4 degrees Celsius and 4 degrees Celsius
B: 4 degrees Celsius and −4 degrees Celsius
C: −4 degrees Celsius and −4 degrees Celsius
D: 4 degrees Celsius and 0 degrees Celsius