I would say that this is true, I don’t know much about it but I’ve read that they do release toxins
Answer:
I think its A
Explanation:
Because the reason why airplane have closed windows is because we can't breathe in carbon dioxide when we go up. Of course there is oxygen just not a lot as we go up. Why would there be helium in the air? We would sound weird when we skydive.
Answer:
Warning, it is advised if pregnant that you do not consume alcohol as it can cause discomfort or risk of injuring the foetus.
Explanation:
Well this is obvious, Europe and Asia.
