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What event began to occur about 200 million years ago?
Pangaea
What major event in Earth's history began about 225 million years ago?
the major event that in earth's history began about 225 million years ago was that pangaea began to break apart
Which natural event can occur either over a few weeks or over a few million years?
Which natural event can occur either over a few weeks or over a few million years?
Is a logical evolutionary analog of the East African Rift an event that began about 20 million years ago?
The red sea formed when the Arabian peninsula rifted from Africa, an event that began about 20 million years ago.
When did the ice ages occur?
The ice ages occurred over 2 billion years ago. The most recent one began approximately 3 million years ago and continues today.
How many years ago did the earth began?
65 million years
Began about 65 million years ago?
Cenozoic
What began million years ago?
Ice age
How often does a sesquicentennial event occur?
Every 150 years.
How often does a bicentennial event occur?
Every 200 years
When did the Jurassic time period occur?
According to the International Commission on Stratgraphy, the Jurassic period lasted from 199.6 million to 145.5 million years ago. It is the middle period of the Mesozoic ("middle life") Era. This is the period when the dinosaurs were predominantly present on the face of earth, various species of the same were present everywhere. But an unexplainable event turn things around.
Approximately when did the mass extinction of dinosaurs occur?
65 million years ago
