Rap music first appeared in New York in the 1970's. Later, it spread to large cities with vibrant African-American populations - such as Los Angeles, Oakland, Chicago and Detroit - without being absorbed by the smaller cities and rural areas in between. This type of spatial diffusion is called?

Free 20 points + brainliest to whoever answers right! in the event of a crash, personal injury protection (pip) coverage pays toward the medical costs for a. any injuries you cause to others b. any injuries that are not your fault c. your injuries if you are not at fault d. your injuries, regardless of who's at fault

Afarm grows soybean and produces chickens. the opportunity cost of producing each of these products increases as more of it is produced. draw the? farm's ppf. label it ppf0. the farm adopts a new technology which allows it to use fewer resources to fatten chickens. draw a ppf that illustrates the impact of the new technology. label it ppf1.

What is the function of the organelle labeled a in the diagram?