3 ms·
I can't help but wonder if an Oxygen shortage is our next major challenge.
by bdamm 9y ago
I can't help but wonder if an Oxygen shortage is our next major challenge.
- eitland 9y agoAlong with a silicon shortage then?;-) For anyone wondering: a lot of "rock" and "sand" is silica AKA silicon dioxide. When it comes to oxygen we also have water which contains oxygen.