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so it floats up there and we can't get to it? that means if aliens do visit us, they're all going to have squeaky voices after they land.
except for Alf; he held his breath.
Was that a cat?
It's ok that you're not very bright. I'm sure you're special in your own way...
Not dumb at all.
Released Helium will escape from the Earth's atmosphere and disappear into space.
At some point we will run out of helium we can remove from the Earth's crust, or at least we can easily remove, making helium incredibly expensive.
relying on being told something got us the potato in the white house and the current economy...................................
.......................very well, on to the element "He"
Abundance and isotopes
Helium constitutes about 23 percent of the mass of the universe and is thus second in abundance to hydrogen in the cosmos. Helium is concentrated in stars, where it is synthesized from hydrogen by nuclear fusion. Although helium occurs in Earth’s atmosphere only to the extent of 1 part in 200,000 (0.0005 percent) and small amounts occur in radioactive minerals, meteoric iron, and mineral springs, great volumes of helium are found as a component (up to 7.6 percent) in natural gases in the United States (especially in Texas, New Mexico, Kansas, Oklahoma, Arizona, and Utah). Smaller supplies have been discovered in Algeria, Australia, Poland, Qatar, and Russia. Ordinary air contains about 5 parts per million of helium, and Earth’s crust is only about 8 parts per billion.
#9 Helium is so light, it floats up to the top of the atmosphere where it is blown away by the Solar wind. The only reason that we have a "supply" of helium is because the Government paid to have a strategic reserve. That reserve is no longer needed (who needs blimps now?) and being handed out at below cost. At the moment, its not profitable to extract more. When the price goes up, Oil companies will have no problem supplying it (helium is a byproduct of natural radioactive decay underground, which is extracted along with Oil and Gas (the same way the Reserve was built).
Seriously, metric .. based on ten, thats it, just like money, so simple.