What material can be used to filter sea water
both.
no
It provided drinking water.
No. You can melt ice or desalinate sea water to obtain sufficient drinking water.
Uh dehydration is one.
vomiting/diarrhea
acidity
if you pollute water then you won't have any water to drink because it is polluted and if you drink it, it will kill you. That is how pollution effects drinking water.
Drinking water can be made from sea water either by reverse osmosis filtering, or vacuum distillation, but both are too slow and expensive to be very useful.
yes it can be purified
Desalination plants convert sea water into drinking water by distillation.