Thomas Edison (43)... two thousand different materials in search of a proper filament for the light (44)… His assistant complained, "All our work is useless." Edison replied (45) ..., "Oh we have come a long way and we have learned a lot. We know that there are two thousand elements which we cannot use to make a good light bulb." 43.

For question 43 to 45, complete the text with the correct word. Ki Hajar Dewantara is named as Bapak Pendidikan Indonesia because of his brilliant ideas in Indonesian educattion. Although he was (43)...

In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invent...

Dr. Mohammad Hatta was born in Bukittinggi, West Sumatera, Dutch East Indies (now Indonesia). He was Indonesia’s first Vice President, later also served as the country’s prime minister. Known as the ‘...

In 1854, Louise Pasteur was appointed of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, been even milk. He then invented a proc...

In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invent...