bososayensi betfu kanye nebaluleki betekwelapha baseluleka ngekutsi lizinga lekusuleleka litakwenyuka njengaloku sisondzela esicongweni setfu.

ososayensi bethu kanye nabeluleki bezempilo basitshela ukuthi isibalo sabantu abathelelekayo sizonyuka njengoba siya esicongweni sesibalo sabathelelekayo.
