23 Anonymous In: Question-Answer Which of these seas has mostly disappeared since the 1960s? 23 Which of these seas has mostly disappeared since the 1960s? Ionian Sea Black Sea Aral Sea Caspian Sea 1 Answer Voted Oldest Recent Random Best Answer Goto 2021-05-21T16:26:46+00:00Added an answer on May 21, 2021 at 4:26 pm The correct answer is Aral Sea. 6 Reply Share Share Share on Facebook Share on Twitter Share on WhatsApp Leave an answerLeave an answerCancel reply Featured image Select file Browse Click on image to update the captcha. Save my name, email, and website in this browser for the next time I comment.