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:
Physical regions are defined by landform (continents and mountain ranges), climate, soil, and natural vegetation.
Explanation:
good luck
Explanation:
The Phanerozoic eon is separated into three eras: the Paleozoic, Mesozoic, and Cenozoic eras
Answer:
I can answer number 2.
Explanation:
There is no volcanic activity associated with conservative plates, though earthquakes can often occur.