Answer:the first one is d
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Transistors
Transistors. The onset of the Information Age can be associated with the development of transistor technology. The concept of a field-effect transistor was first theorized by Julius Edgar Lilienfeld in 1925.
The correct answer is:collective bargaining to reach agreements on wages and hours
A nuclear war between the U.S. and the U.S.U almost became a reality because the Soviet Union stuck missiles in Cuba... I think thats right :)
Answer:When transitioning from a mostly rural to a mostly urban society, it is important to keep sustainability in mind. Try to find ways in which the most energy is conserved, which will increase employment and lower revenue and pollution.
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