O Na! Mae defnydd nwy eich ysgol yn y gwyliau Pasg wedi cynyddu 18% o gymharu â Hanner tymor y gwanwyn. Allech chi ofyn i reolwr safle'r ysgol wirio'r rheolyddion gwresogi i leihau'r defnydd o nwy yn ystod gwyliau'r ysgol?
Mae rhagolygon y tywydd ar gyfer tywydd cynnes. Diffoddwch y gwres!
Well done, you have scored 40 points so far and you're in 24ain position on the scoreboard. Complete your next activity to climb higher up the scoreboard!
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