Young people taking the 12- 18 survey have similar sources of information but are more likely to be getting information online from news websites and accounts.
Roedd gan y bobl ifanc a lenwodd yr holiadur 12-18 oed ffynonellau gwybodaeth tebyg, ond roeddent yn fwy tebygol o gael gwybodaeth ar-lein oddi ar wefannau ac o gyfrifon newyddion.