1. to is the preposition
2. from is the preposition
3. across is the preposition
Answer:
do people care about pollution
Explanation:
this question is not based on facts but on opinion, meaning there will be more agreements or disagreements, so the topic and 'said opinions' can be 'discussed' more and in further depth, rather than the other questions based on reciting facts. like in your writing piece or answer you can debate both sides of the argument
hope this made sense and helped :)
