Yes, you can't drink water with that much salt (sodium chloride) in it, or at least seawater can't be your only source of water. That's why people lost at sea with no drinking water say 'water, water everywhere but not a drop to drink'.
Your body actually gets dehydrated because your cells try to keep the salt concentration the same through out your body (look up osmosis), so water goes out of your cells in to your stomach, intestines. Also the sodium and chloride ions probably effect your body in other ways.
All spot on. However there is another way and probably the most obvious one....you can drown in it
Salt kill microorganisms.
salt will kill slugs but leaves a nasty mess to clear up
Salt can kill almost anything if there is too much so yea it can.
No
no
Yes, salt can effectively kill germs by dehydrating them and disrupting their cellular functions.
Yes, the combination of vinegar and salt can effectively kill grass.
The salt burns their sluggy skin.
You can kill ants with Epsom salt by sprinkling it onto the nest. You should also sprinkle the salt around the nest area.
Road salt can kill plants because it draws the water out of them. Salt is a substance that absorbs water.
Yes, salt has the ability to kill bacteria on the skin due to its antimicrobial properties.
both actually, salt can kill slugs and can clean your thruoght like if you have soar thruoght than you can gargle salt water and can clean out the bacteria