<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>
guys its contrapositive on apec 2021
<span>This causes Ty to experience "Role Strain'.
Role strain refers to a situation where someone in a social or professional role has to face contradicting, </span><span> incompatible behavior, expectations, or obligations within a single role, like in the given case Ty on one hand has to encourage and support the students which is a sympathetic trait but at the same time has to be strict in grades.</span>
Citizens elect leaders who vote on the issues in a representative democracy, and citizens vote on the issues in a direct democracy.
Representative democracy has the word "representative", because people are chosen to "represent" the people, and to do what their voters want them to do.
Whereas, direct democracy is called "direct", because the citizens have direct opinion on issues
hope this helps
