Which branch of musicology approaches music from a scientific or philosophical perspective

Your room is still fairly dark when you wake up early one morning. you look over at your shirt hanging on a hook. you know it's your red shirt because you hung it up there before you went to bed, but in the dark you can't see its color. it looks dark gray to you. why is that?

Based on your observations of porto alegre and houston, what would you conclude about the longest and shortest days for the two cities on opposite sides of the equator

Anyone knows answer for code.org unit 3: intro to programming, lesson 7: apis and function parameters, bubble 11. !