RT Simon Kuestenmacher @simongerman600: Marine dead zones are areas where the deep water is so low in dissolved oxygen that sea creatures can’t survive. So… https://t.co/Yh96AD8L0W

RT Simon Kuestenmacher @simongerman600: Marine dead zones are areas where the deep water is so low in dissolved oxygen that sea creatures can’t survive. So… https://t.co/Yh96AD8L0W