Annwyl Gyfeillion,
BYddwn i'n ddiolchgar iawn cael eich ymateb. Dyma beth oedd ar wefan
wikipedia:
The primary sector of the economy generally involves changing natural
resources into primary products. Most products from this sector are
considered raw materials for other industries. Major businesses in this sector
include agriculture, agribusiness, fishing, forestry and all mining and quarrying
industries.
The manufacturing industries that aggregate, pack, package, purify or process
the raw materials close to the primary producers are normally considered part
of this sector, especially if the raw material is unsuitable for sale or difficult to
transport long distances.[1]
Rydw i eisiau dweud creiddiol ond rwy'n ofni y bydd hwn yn anghyfarwydd.
Diolch am eich sylwadau
Melanie
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