Here is a question about this article: Bell and his assistant Charles Sumner Tainter jointly invented a wireless telephone, named a photophone, which allowed for the transmission of both sounds and normal human conversations on a beam of light. Both men later became full associates in the Volta Laboratory Association.
What is the answer to this question: What lab association did Bell and Tainter both eventually join?
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So... Volta Laboratory Association


Here is a question about this article: Most Portuguese and Mestiços speak one of the African languages and Kriol as second languages. French is also taught in schools because Guinea-Bissau is surrounded by French-speaking nations. Guinea-Bissau is a full member of the Francophonie.
What is the answer to this question: Why is French taught in school?
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So... Guinea-Bissau is surrounded by French-speaking nations.


Here is a question about this article: In the Contemporary era, there were various socio-technological trends. Regarding the 21st century and the late modern world, the Information age and computers were forefront in use, not completely ubiquitous but often present in daily life. The development of Eastern powers was of note, with China and India becoming more powerful. In the Eurasian theater, the European Union and Russian Federation were two forces recently developed. A concern for Western world, if not the whole world, was the late modern form of terrorism and the warfare that has resulted from the contemporary terrorist acts.
What is the answer to this question: In what time were there many socio-technological trends?
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So...
Contemporary era