Just so you know, as you go down, the air compress's in your lungs, thats the hard part, comming back up, you have to exhale as the air expands. I started at 50 feet in the dive tower in sub school in Groton Conn. and went up from a chamber, it was such a rush!!
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Carbon is not the problem, it makes up 0.041% of our atmosphere , 95% of that is from Volcanos and decomposing plants and stuff. So people in the US are responsible for 13% of the carbon in the atmosphere which 95% is not from Humans, like cars and trucks and stuff and they want to spend trillions to fix it while Solar Panel plants are powered by coal plants
think about that
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