In China seals were used since at least the Shang dynasty. In the Western Zhou, sets of seal stamps were encased in blocks of type and used on clay moulds for casting bronzes. By the end of the 3rd century BC seals were also used for printing on pottery. In the Northern dynasties textual sources contain references to wooden seals with up to 120 characters.
Also, Stone and bronze blocks
Woodblock printing (200 AD)
Legendary origins
Lithography
Lithography
etc.
The answer is.. C
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When harmony sounds stable they are referred to as consonants.
<h3>What is harmony </h3>
This is a word that is mostly used in music. When it is stable it is known as consonants and when it is not stable it is referred to as dissonant.
The consonants are those that sounds so pleasing to the people that are listening. This is unlike the dissonant.
Read more on stable harmony here:
brainly.com/question/906832
