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  2. Decibel - Wikipedia

    en.wikipedia.org/wiki/Decibel

    The base-10 logarithm of the ratio of the two power quantities is the number of bels. The number of decibels is ten times the number of bels (equivalently, a decibel is one-tenth of a bel). P and P 0 must measure the same type of quantity, and have the same units before calculating the ratio. If P = P 0 in the above equation, then L P = 0.

  3. Economy of Ghana - Wikipedia

    en.wikipedia.org/wiki/Economy_of_Ghana

    The mass media of Ghana is among the most liberal in Africa, with Ghana ranking as the third-freest in Africa and 30th-most free in the world on the worldwide press freedom index. Chapter 12 of the Constitution of Ghana guarantees freedom of the Ghanaian press and the independence of the mass media, and Chapter 2 prohibits censorship. [40]

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