Answer:
OPEC’s three goals is reduce oil prices, adjust the worlds oil supply, and keep prices stable. OPEC’s purpose is to coordinate and unify the petroleum policies of its Members Countries and make sure the stabilization of the oil markets to keep a safe way of an orderly, economic, well ordered, and regular supply of petroleum to consumers. Also to keep safe profits to producers and an equal return on the capital for those investing in the petroleum manufacturing.
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Answer:
a digital watermark.
Explanation:
A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as audio, video or image data. It is typically used to identify ownership of the copyright of such signal.
"Watermarking" is the process of hiding digital information in a carrier signal; the hidden information should,but does not need to, contain a relation to the carrier signal.
Digital watermarks may be used to verify the authenticity or integrity of the carrier signal or to show the identity of its owners. It is prominently used for tracing copyright infringements and for banknote authentication.
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