True or false? a marketing concept includes information such as ethnic background ,age, income level, and geographic location.

answer: b. false

the staff is a set of five horizontal lines and four spaces which represent a different musical pitch. the lines and the spaces are numbered from bottom to top, the bottom line is the first line and the fifth line is the line on the top. the notes on the top of the staff (fifth line) have a higher pitch than a note at the bottom of the staff.

blood: heterogeneous and suspension

salad dressing: heterogeneous and suspension