On is the only preposition in this sentence. A preposition shows location, such as, on, over, beside, etc.
Answer: could you please specify what sentences we are choosing from?
Explanation:
1. Most is describing the amount of water
2. Salty continues to refer to the water
3. Frozen is also describing the water.
4. Only is refering to percentage
5. Tiny is talking about percentage
I believe you should omit Sport because the sentence still makes sense that in Argentina Soccer is everyone's favourite.
