Answer:
air pollution from more and more factories and the factories put chemicals into the water source
Explanation:
Islamic Achievements in Medieval Medicine: Hospitals and Doctor Training. Rather than viewing disease as a punishment from God as the Christians thought, Islam looked at disease as just another problem for mankind to solve. The Prophet decreed that the sick and injured should be cared for, not shunned.
The correct answer is President Franklin D. Roosevelt.
Roosevelt started the Manhattan Project after receiving a letter from Albert Einstein which warmed him of the advancements made by German scientists during World War II. After hearing about these concerns, FDR wanted to ensure that the US would be ahead of Germany in terms of the development of the atomic bomb. Roosevelt knew that if Germany beat the US to this development, it could be extremely dangerous for the entire world.
Answer:
The Cold War, which started after the Second World War and spanned 1947 to 1991 refers to a period of political unease between the United States, the Soviet Union and their respective alliances.
In that period, specifically 1962, the Light-Emitting Diode (which has variants of red, blue and green that can be combined to produce the most perceptible colours, usable as holiday lights) was as invented.
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