Seawater has about 35 ppt (parts per thousand) of salt compared to normal drinking water that has less than 0.5 ppt.
(Seawater; has; about 35 ppt (parts per thousand) of salt) (normal drinking water; has; less than 0.5 ppt)
Seawater normal drinking water
has has
about 35 ppt (parts per thousand) of salt
less than 0.5 ppt