Answer:
march for jobs and freedom which means free from racism that happened back in the 1960s
Explanation: i hope this sort of help but if this does not help than i am sorry
<span>Its important not to have fingerprints on the cuvette when using a spectrometer because by using a spectrometer one measures the amount the amount of light that the solution in the cuvette absorbs at a certain wavelength. This tells you how much of the solute is dissolved in the solution. So if you get fingerprints on the cuvette, this could interfere with the light absorption and cause your readings to be incorrect. </span>
<span>Reduce the demand for their labor or capital and lead to a decline in income.
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