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From space Planet Earth is blue. It floats like a jewel in the inky black void. The reflection of the suns light from the vast expanse of water covering its surface creates its gem-like blue colour. This book offers a comprehensive portrait of the whole ocean system.
Ewch i’n Parth Ysgol i gael adnoddau am ddim a syniadau Sialens ar gyfer eich dosbarth
Ewch i’n Parth Cartref, sy’n llawn gwybodaeth ddefnyddiol i rieni, nain a thaid/mam-gu a thad-cu, a gofalwyr.
Ewch i’n Parth Llyfrgell i ddod o hyd i lyfrgelloedd yn eich ymyl chi sy’n rhedeg y Sialens.