Complex sentence: The FAO and WHO collect food supply data for countries all over the world and in Europe food supply surveys are conducted by the Organization for Economic Cooperation and Development and the Statistical Office of the European Communities Burcock G.A.1997.
Split into simpler sentences: The FAO and WHO collect food supply data for countries all over the world. In Europe food supply surveys are conducted by the Organization for Economic Cooperation and Development and the Statistical Office of the European Communities Burcock G.A.1997.