salinecontaining or impregnated with saltRising sea levels can introduce saline water into freshwater aquifers, making them unusable.NoteRising sea levels can introduce saline water into freshwater aquifers, making them unusable.Elon.io is an online learning platformWe have an entire course teaching IELTS Vocabulary — Band 7+ grammar and vocabulary.Start learning IELTS Vocabulary — Band 7+ now