Hiking!!
Chemistry
Level
1
Why do mountaineers carry oxygen cylinders with them?
Density of air is high at high altitudes
Only oxygen is present at high altitudes
Density of air is low at high altitudes
Pressure is high at high altitudes
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
Because oxygen cubes don't work as well as oxygen cylinders--they'd probably be heavier.