Can you breathe in a gas mask if it doesn't have a filter?

how could I scare some one at night with a gas mask any ideas thx a bunch

What's a person called that doesn't like to fight and/or refuses to?

Does anyone know which pedal is the gas pedal on an automatic car??

Is it true that when you run and you're huffing and puffing, breathing in through the nose and out through the mouth helps?

Why are the gas tanks on different sides of the car? What is the point of that?

what the best way to get the smell of smoke of your breath?

My gas gauge has seemed to stop working I had half a tank of gas the night I parked it got up and noticed ( while driving >.<...

okay so I'm thinking of getting a gasoline engine for my push bike and I don't know if it's street legal please help

What's it called when you can see your breath?? And please don't say it's water vapor... I'm looking for a more technical te...

Ok, so I bought gas today, and I don't think the pump was calibrated properly. I bought the same amount last week at a better...