While aspects of the process can help you determine what chemicals are in the air, ambient air monitoring should also give you a clear picture of oxygen levels. One of the keys to effective ambient air monitoring is choosing the correct locations to analyze. In outdoor environments, it can be much more difficult to pinpoint danger zones, so it is crucial to select sites that will give you accurate readings on the areas as a whole.
Longest YouTube Video Ever Will Take You 23 Days To Watch. Jonathan Harchick has created and uploaded the longest YouTube video of all time, clocking in at 571 hours, 1 minute and 41 seconds. He says, I challenge anyone to try and make a longer video.. By Megan O'Neill.
Despacito becomes most-viewed video in YouTube history. The music video for smash hit single Despacito, from Luis Fonsi and Daddy Yankee, has become the most-watched YouTube video ever, surpassing the record for Wiz Khalifa and Charlie Puthâs See You Again.