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:
Umm I think D.) money in stocks have both high risk and high potential return.
Almost 3000 people died directly from the attacks (the official number, which includes the attackers) is 2996.
However, the actual death toll connected to the attack indirectly is bigger and it's harder to asses, as it lead to the US military actions in the middle East, searching for Osama Bin laden.
Answer:
railroads and tunnels
Explanation:
remeber in slave times underground railroads which was a tunnel
