<span>2,575 years passed between 3100 BC and 525 BC. Calculation of years in the BC era is found by taking the earlier date, or larger number, and subtracting the later or more recent date, the smaller number. 3100 - 525 = 2,575 years.</span>
In a dramatic televised address to the American<span> public, President John F. Kennedy announces that the Soviet Union has placed nuclear weapons in </span>Cuba<span> and, in</span>response<span>, the </span>United States<span> will establish a blockade around the island to prevent any other offensive weapons from entering Castro's state.</span>
Answer:
A prolonged war and greatly increased the number of casualties in the war
Explanation:
In World War I we saw the introduction of chemical weapons, machine guns, artillery, and tanks. All of this resulted in trench warfare and the lack of tactics to fight the new weapons meant that the war would be longer and a lot deadlier than it would have been without those weapons. It dragged for years from one stalemate to another and claimed a lot of lives.
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Answer:
Scientists concluded that the average human body contains approximately 37.2 trillion cells
Explanation:
