Answer: The geologic time scale is divided based on the major changes in the earth’s surface and climate, and the other thing that divides them is the extinction of species. The appearance and disappearance of fossils also help influence this division.
Explanation:
It’s important to learn about them because they can help define our future
Answer: d. Sounds
Explanation:
According to Bruno Netti on Ethnomusicology, Music is diverse. It always expresses a subtext determined by culture, class, gender and personality and by a society's idea of music. Evidenced by the different genres of music we have.
Alan Merriam's three part model on music suggests that music is a phenomenon that consists of three sides; sound, behaviour and ideas.
So therefore for music to be understood, it should be studied as a group of sounds, as behaviour that leads to these sounds, and as a group of ideas or concepts that govern the sound and the behaviour.
Mass Media includes forms such as Print, TV, Film, Radio, Internet, Video Games, and Outdoor.
