they need oxagen and oxagen.
oxagen
when a human gives carbon dioxide to the plants while the plants give oxagen to the humans and animals XD
It's oxygen
oxagen and plants
Nitrogen and Oxagen
Nitrogen and Oxagen
oxagen
lack of air (oxagen) and the heat from the sun
10%
Actually it's in Asia.I took a Diagnostic test about Mt.Everest and it said it was in Aisa.And you have to where a oxagen tube.Because the top almost touches SPACE!And space doesn't have alot of oxagen for you to breath.So if you have one on you're ok.If you don't GOOD LUCK [NOT]SURVIVEING!
about 1% of the worlds water is available for our use the rest is either frozen or salt water