Of the following two sentences, which one is against common sense?\nOptions:\n- Sentence A: "a kilo of iron is heavier than a kilo of cotton"\n- Sentence B: "a kilo of iron is as heavy as a kilo of cotton"\n
A step-by-step solution is:
Sentence A
A kilo is the same wight no matter what object is being weighed.

.

The final answer: Sentence A