I would say it's the answer with nitrogen oxides and volatile organic compounds
Bruh just search it up or sum it’s all over google
Answer:
1. True
2. True
3. I guess true? But it’s not a good method
4. Well it can be, but it isn’t a must.
5. It’s not a must, you can go without it for 12 months but if you want to be fully protected, you have to take it every 6 months
Explanation:
Ok that’s too much questions. I’ll answer the first 5