 Theses major ocean currents include the Gulf Stream, Kuroshio current, Agulhas current and Antarctic Circumpolar Current.
<fluency>  Theses major ocean currents include the Gulf Stream, Kuroshio current, Agulhas current and Antarctic Circumpolar Current.
 These major ocean currents include the Gulf Stream, Kuroshio current, Agulhas current and Antarctic Circumpolar Current.