1) Loudness and pitch are two important properties of a musical sound a) If a musician plays a softer note, Which property has been changed, loudness or pitch?

b) If the musician makes the note lower , which property has been changed loudness or pitch

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car