The table shows the temperature inside four different freezers in a supermarket.
| Freezer | Temperature |
|---|---|
| A | −18∘C-18^\circ\text{C}−18∘C |
| B | −24∘C-24^\circ\text{C}−24∘C |
| C | −12∘C-12^\circ\text{C}−12∘C |
| D | −5∘C-5^\circ\text{C}−5∘C |
Write down the letter of the freezer with the lowest temperature.
Work out the difference between the temperature in Freezer C and the temperature in Freezer D.
