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Answer: Quartz clocks and quartz watches are timepieces that use an electronic oscillator regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks and watches are at least an order of magnitude more accurate than mechanical clocks.
Explanation:
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B)Schist
Answer:
monopolistic competition is when an industry has many firms offering products that are similar but not identical. unlike a monopoly, these firms have little power to set curtail supply or raise prices to increase profit. Monopolies dictate over a specific thing so they are the only thing that is selling.
Explanation:
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