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Amgylchedd (Environment)


20 words 0 ignored

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ailgylchu
batris
compost
gwydr
papur
plastig
tun
y Ddaear
cynhesu byd-eang
trafnidiaeth
allyriadau pibau gwagio
gorsaf ynni niwclear
gwastraff gwenwynig
tomen sbwriel
daeargryn
llifogydd
sychder
plaladdwr
tancer olew
stremp olew