I’m bot completely sure, but since there is minimal shadowing, I would say the technique is contouring
Rock and roll influenced daily life, fashion, attitudes and language in a way few other social developments have equalled. As the original generations of rock and roll fans matured, the music became an accepted and deeply interwoven thread in popular culture. Beginning in the early 1950s, rock songs and acts began to be used in a few television commercials; within a decade this practice became widespread, and rock music also featured in film and television program soundtracks.
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The answer is statements 2,3,4
It is believed that the majority of the petroglyphs were carved from about 1300 through the late 1680s.
