To dbp: Hello David.vandana2923::2007-12-06 5:16
No, at 7500 feet, you do not need Oxygen...and definitely yes at 7500 meters high.
You don't need Oxygen even at 15,000 feet. Definitely the Oxygen level drops to 50% above 10,000 ft, but one can manage.
Thanks
Vandana
India
Title: Lost in the mistNikon D80
Lost in the mist (114)
vandana2923 Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 2465 W: 125 N: 5702] (22207)
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To dbp: Hello David. vandana2923 Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 2465 W: 125 N: 5702] (22207)::2007-12-06 05:16