Eich chwiliad - "(combustiveis or combustions) ((fossilis" OR fossil") or fossili")* - ddim yn cyfateb ag unrhyw adnoddau

Efallai y dylech gynnig rhai amrywiadau sillafu:
combustiveis » combustibles
combustions » combustion, combustors, combusting
fossilis" » fossils", fossilised", vassilis", fossilss", fossiles"
fossili" » fossils", fossile"

Efallai y cewch fwy o ganlyniadau drwy addasu'ch ymholiad chwilio.