They are developed countries because the people there are healthy and educated.
Answer:Three major groups of islands in the Pacific Ocean are Melanesia, Micronesia and Polynesia.
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Called "the mother of the civil rights movement," Rosa Parks invigorated the struggle for racial equality when she refused to give up her bus seat to a white man in Montgomery, Alabama. Parks' arrest on December 1, 1955 launched the Montgomery Bus Boycott by 17,000 black citizens.
On May 26, 1924, the U.S. government enacted the eugenics-inspired Immigration Act of 1924, which completely prohibited immigration from Asia. The law reflected the desire of Americans to isolate themselves from the world after fighting World War I in Europe, which exacerbated growing fears of the spread of communist ideas. It also reflected the pervasiveness of racial discrimination in American society at the time.
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Solar radiation has a lower intensity in polar regions because the angle at which solar rays hit the Earth is not as direct as at the Equator. Another effect is that sunlight has to go through more atmosphere to reach the ground.
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