Respuesta :

Answer:

Step-by-step explanation:

It's 63 degrees F below zero.

Temperature is measured on a number line. You can get confused by the freezing point of water which is +32.

0 represents the coldest temperature that those who used Fahrenheit thought the temperature would go. Tell that to the people who lived through - 63.

So  the answer if - when the temperature goes below 0.