Survival of a species.
wise
Conservation
by recycling
CONSERVATION
Yes, it's the correct use of the word 'wise' but the sentence needs a comma after the initial phrase: As far as you have seen, your seniors are so wise.
wise
'Conservation' seems most appropriate "Judicious" means wise and careful
Sustainability. Conservation.
Not wasting any of it and by making all of it usefull
you would not be wise because it is very harmful and you may never know the harmful effects that it can do to your body.
conservation
trees flowers sun