What are some factors that could affect the resonance frequency of a piece of pasta?

The longer or denser the pasta or marshmallow, the lower the natural frequency. The stiffer the pasta, the higher the natural frequency. Depending on these factors, each type of pasta will have its own natural frequency. The short piece of pasta will have a different natural frequency than the long piece of pasta.

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Supply is the markets term for selling a specific quantity of products at various prices. the law of supply and demand is the one which affect the pricing and also the quantity the market is able to produce or make available.