Visible signs of increasing pollution of the seas include the presence of oil and other flotsam on bathing beaches and the massive destruction of plant and animal life as well as large carpets of oil on heavily travelled routes and in the coastal sea areas off large harbours.
Iimpawu ezibonakalayo ezinyusa ungcoliseko kumalwandle ludibanisa ukubakho kwe- oyile nezinye izinto ezidadayo kumalwandle okuhlamba nezinto eziphazamisa izityalo nezilwanyana kubomi bazo zandlala i-oyile kwindlela ezihanjwa nzima nakwindawo zamanxweme olwandle kwamazibuko amakhulu