Salt does not evaporate from your pool. If you are losing salt is most likely caused by a leak in the pipes or excessive splashing. A leaking pipe can be repaired. As for splashing, just be a little more aware you or others are doing it, and control your impulse to splash.
well it is important to conserve sodium because salt is importamt
Put it in your freezer, or cover it in salt.
Depends whether it's cooked or boiled. Cooked, just use a lot of salt. Boiled, not sure.
stop it from going to sea to begome salt water
The pickles contained salt to preserve their flavor.
Conserve
You can't drink the ocean! well, you could, but since it is salt water, it would dehydrate you even more. So you're better off not drinking the ocean.
Why should you conserve wildlife?
To conserve the environment.
we have to conserve water to save our planet
to conserve heat
The opposite of conserve would be to squander or waste.