The girl in red won first place
Answer:
Compound
Explanation:
This sentence contains two independent clauses, making it compound.
The sentence that contains a participle is the second one - Falling slowly, snowflakes filled the air.
A participle cannot be used as a subject of a sentence, and since <em>Falling </em>in the first example is a subject, it is a gerund, not a participle.
They have become idiots, that's my opinion.
Explanation:
Not sure if you want a defined answer, but that's pretty much it. People have become sheep, and mindless freaks who want the world to explode.