Answer:
That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.
Answer:
A. increased; Great Migration
Explanation:
When the migration began, 90 percent of all African-Americans were living in the South. By the time it was over, in the 1970s, 47 percent of all African-Americans were living in the North and West. A rural people had become urban, and a Southern people had spread themselves all over the nation.
<em>Are you talking about the Constitutional Convention?</em>
Answer:
No, I don't think so. Lots of conferences nowadays have many reporters there to record exactly what you're going to say. In the presidents office, there is always a camera or reporter in there. Back then, they could control that but if we did that now, the American people would riot.
Answer:
<h3>It happens when a population ages an increase in the population's mean and median ages.</h3>
The answer is (s.) 1-2 centimeters. Every year, plates under the ocean move approximately 1-2 centimeters. This movement is the earthquake under the ocean and can also be called Submarine earthquake when the intensity goes high. This movement can lead to tsunamis.
