Answer: There are 5 categories/classifications of musical instruments according to Sachs Horn Bostel.
These include the following:
Electrophones, membranophones, idiphones, chordophones and electrophones.
Examples of each the above classifications are:
Chordophones: guitar and harp
Aerophones: Saxophone, flute and trumpet.
Membranophones: include vibration instruments like violin, guitar can as well fall in this category.
Electrophones: these include electronic organ
Idiphones: these may include bells, cymbals and xylophones.
Explanation:
Answer:
Los alótropos son diferentes formas estructurales del mismo elemento y pueden exhibir propiedades físicas y comportamientos químicos bastante diferentes. El cambio entre formas alotrópicas es provocado por las mismas fuerzas que afectan a otras estructuras, es decir, presión, luz y temperatura.
Answer: uses various approaches to describe guiding values for decisions.
Explanation: A normative approach according to the Oxford dictionary is " a theoretical, prescriptive approach to sociological studies that has the aim of appraising or establishing the values and norms that best fit the overall needs and expectations of society."
Here, we can see that Various approaches for guiding values for decision is what is employed in the normative approach.
Answer:
11. its A
Explanation:
Air moves from areas of high pressure to areas from low pressure