TEST 186Complete IELTS Bands 4-5 · Questions 6–10The desalination processComplete the flow-chart below.Choose Write NO MORE THAN TWO WORDS for each answer.The desalination processIntroductory point: a 6 can desalinate sea water using its throat.Collection: sea water passes through a canal into the 7Treatment: rubbish is removed.Salt removal: sea water passes through a membrane under high pressure; a very 8 process.Produces fresh water and salty brine – can harm 9Use: human consumption and irrigating 10