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Hayden< just an educated guess, sorry :(
For number 1 the answer is c (dissonant). And for number 2 the answer is a (the piece had a different melody for each verse.
Intensify in the brightness or dullness of a color. Intensity refers to the purity of a Hue. Intensity is also known as the Chroma or Saturation. A Hue is the “color” name. Use red as an example, it represents the specific wavelength of visible light. The Hues in the Color Spectrum are red, orange, yellow, green, blue, indigo, and violet.
I hope this helps!!