Ocean water freezes at about 2 1/2° Celsius. Fresh water freezes at 0° Celsius. Antifreeze, a liquid used to cool most car engines, freezes at −64° Celsius. Imagine that the temperature is exactly at the freezing point for ocean water. How many degrees must the temperature drop for antifreeze to turn to ice?

Question 1 options:

A 61.5°C

B 62.5°C

C 64°C

D 66.5°C

this is due today