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A constructive plate boundary, sometimes called a divergent plate margin, occurs when plates move apart. Volcanoes are formed as magma wells up to fill the gap, and eventually new crust is formed. An example of a constructive plate boundary is the mid-Atlantic Ridge.
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C. Happy people are more likely to send a lot of tweets than sad people
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- If the researcher wants to find out the relationships between the tweets and the happiness of the people and he comes to a conclusion that a positive correlation exists as the number of the people that are happier are more likely to send more tweets than those of the sad people and thus concluded that a strong correlation exists when people give more tweets are considered or reported to be happy.
4. The discovery of gold and precious metals sparked infrastructure and population growth.
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<span>The stated goal of the Crusades was to recapture the Holy Land from Muslim forces, but there were also many unstated goals which European lords and clergy strove to achieve. Originally, the pope had called for a crusade to capture important Christian holy sites, such as Jerusalem, from the forces of Muslim rulers.</span>
