- ABoth are equally warm
- BThere is no mistake
- CShe should add them
- DBelow zero, −10 is lower, so it is colder
Step-by-Step Solution
For negative numbers, the larger the number after the minus sign, the further below zero it is. −10 lies to the left of −4, so −10 °C is colder.
Answer: D) Below zero, −10 is lower, so it is colder