Why will 4/5 of this worlds population die soon?

But what if you happen to be standing on your head when the blast comes?

Curses! foiled again!

[Moderator Hat ON]

Iyyob, you need to formulate a coherent reason why we’re all going to die, not just say so. Otherwise it’s not a debate, and you’ll get responses like the above. Do NOT just repost the same two sentences again.

[Moderator Hat OFF]