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Discuss firearms and all aspects of firearm ownership
Join others in organizing against anti-gun legislation
Buy, sell, and trade in our classified section
Find nearby gun shops, ranges, training, and other resources
Discover free outdoor shooting areas
Stay up to date on firearm-related events
Share photos and video with other members
...and much more!
huffing and puffing
The huff and puff apparatus is used in school biology labs to demonstrate that carbon dioxide is a product of respiration. A pupil breathes in and out of the middle tube. The glass tubing is arranged in such a way that one flask bubbles as the pupils breathes in, the other as the pupil breathes out. A suitable carbon dioxide indicator, such as limewater or bicarbonate indicator shows the increased presence of carbon dioxide in the outgoing breath.This turns the bicarbonate into milky white substance.
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View More On Wikipedia.org
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Well now, that was interesting ....
So, out of the blue, two junkies show up at our back porch. The Smurf yells "someone's here!," I grab a piece, and crack the back door and ask what is up. I instantly notice they are both high as a fing kite. They said something like "yah, um, your neighbor (also a worthless druggie idiot) saw...- Discussion Thread in General Firearm Discussion
- CountryGent
- a long hike awesome wife huffing and puffing laser beam light system ppks shotgun stupid druggies wildfires
- Replies: 53
