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:
For Instance, a functional region has a focal point (often a city) and is the organized space surrounding that central location. Examples would be a metropolitan area, such as greater New York City, Chicago, Los Angeles, or the San Francisco Bay Area. otherwise known as Vernacular Region.
Answer:
True
Explanation:
The semi-major axis of an ellipse is half the length of its major axis.
The answer is C.0.8 and it’s expressed as rsquared.