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I think so that your answers are also right . Well done.

 3 months ago 

You are quite creative in giving multiple answers of that question which wasn't less than a riddle 😆

Answers are really interesting but I want to add oxygen as well with CO2 😂

 3 months ago 

I can can make the list longer if you like. It all depends on the way we think.

Your oxygen is noted
I add dust, sand, dirt

 3 months ago 

Exactly it's all about brain storming