The freezing point of water is 0
∘
C
0
∘
C0, degrees, start text, C, end text. Scientists use positive numbers to show temperatures above the freezing point of water and negative numbers to show temperatures below the freezing point of water.
Jess stores her bacteria samples at
4
∘
C
4
∘
C4, degrees, start text, C, end text.
What does
4
∘
C
4
∘
C4, degrees, start text, C, end text mean in this situation?