4 comments
Why not write 1B instead of 1M tons?!
5 0 ReplyGood point. I think xkcd is american and they use the short ton which is apparently 2000 lbs, or 907 kg
3 0 Reply¯\(ツ)/¯ I feel like 1 million tons is a more suitable unit to use than 1 billion kg
2 0 Reply