As long as there is plants, we will always have air, and water just never runs out
usable water
yes, enzymes are reusable.
Re usable
1% of water is usable in this case .Since only 3% of water is usable as fresh water, 2% is unavailable in frozen form leaving approximately 1% of the earth's water usable.
Re-usable ones
A Brita water bottle is used for filtering water which will in turn make the water cleaner for the user to drink out of. It is also relatively cheap and re-usable as well as washable.
get the minerals,nutrients and other healthy nutrients from the unusable to make it usable water..
get the minerals,nutrients and other healthy nutrients from the unusable to make it usable water..
To be re-usable, you must be able to use it first. Thus, start to write a class that is usable, then we can talk about reuse.
Any freshwater on Earth is usable
a space shuttle is re-usable
Because re-usable containers cut down on waste.