Answer: The study of ecosystem is important for Environmental Conservation, Resource Allocation, reduce pollution and destruction of ozone layer. It provides information about the benefits of environment and judicious use of Earth's resources in ways that make the environment healthy for future generations.
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Answer:1543
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While its dates are disputed, the publication in 1543 of Nicolaus Copernicus ‘s De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) is often cited as marking the beginning of the Scientific Revolution.
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The Vietnam War protests began small–among peace activists and leftist ... of North Vietnam in February 1965, some critics had begun to question the ... of the hippie movement, a growing number of young people who rejected ... Under the draft system, as many as 40,000 young men were called into
The Virginia delegates proposed a strong national government that could make and enforce laws and collect taxes. The plan would establish a federal system of government under which the people would be governed by both the state and national governments
