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:
ok, ill try to explain it to my best ability.
Explanation:
a global city is an important city thats more "well known." global cities are urban centers that take the role as significant landmarks within a globalized economic system. global cities have a lot of power, and theycan heavily impact global issues overtime. a good example of this is london, and thats why london is considered a global city. more examples of global cities include beijing, rome, paris, new york, singapore and tokyo.
The number of people per square mile is the population density
Answer:
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