laugh

this is d way to get, good in laughing.

Don't just laughing

but you have to know that Nitrous Oxide N2O is also known as a laughing gas .hahahahaha.blubbb..blubb. (honestly i don't know how to describe what a gas sound like)

actually,i have a bunch of chemistry tutorial.it's make me crazieeeeeeeeeer!!! ok bye. =)