1. The granduor of the ancient Roman Empire is visible in many monuments in Italy and Greece.
2. The grandour of the ancient Roman Empire is visible in many monumants in Italy and Greece.
3. The grandeur of the ancient Roman Empire is visible in many monuments in Italy and Greece.
4. The granduer of the ancient Roman Empire is visible in many monuments in Italy and Greece.
Solution :
The correct spellings are- grandeur (splendor and impressiveness, especially of appearance or style) and monuments.
The sentence will no spelling mistake is- 'The grandeur of the ancient Roman Empire is visible in many monuments in Italy and Greece.'
Hence, option (c) is correct.