- A−5°C
- B−7°C
- C6°C
- D−6°C
Step-by-Step Solution
A drop of 1 is one step to the left on the number line: −6 − 1 = −7°C. The trap is −5°C, which steps right instead of left because 5 looks smaller than 6 — but −5 is actually the warmer reading.
Answer: B) −7°C