I have used antibiotics when I was sick or injured.
I use computer technology in many different ways.
I have flown on a jet aircraft.
Nuclear power provides electricity for my home.
I watch weather forecasts that use radar.
I look at photos taken by satellites that were placed in orbit using rockets.
Answer:
The causes for all three kingdoms to rise and fall were based on leadership and economic issues. ... Mali rose as a result of strong military leadership and fell when the empire became too large for a weak king to rule. History repeated itself when the same happened to Songhai.
The renaissance gave way to enlightanmant and rebirth. This period of time
allowed the modern era to break off from its past medieval era. The
renaissance allowed Europe to rise up and be what it is today.
The correct answer is: "
The vitaphone increased the reliability and quality of sound for audiences"
The vitaphone was a sound system created for films, used for feature film and almost a thousand short subjects by Warner Bross. It was the first analog sound-on-disc system that was commercially sucessful and widely used.
For example, <em>The Jazz Singer</em> (1927) used the vitaphone system.