Geological Time Scale
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Posljednje ažuriranje over 5 years ago
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Which layer of rock is the oldest?
Which layer of rock is the youngest?
Which of the following are thought to have played a role in the extinction of dinosaurs? (check all that apply)
Which of the following are thought to have played a role in the extinction of dinosaurs? (check all that apply)
In order to be a good index fossil, it needs to be from a widespread organism over a short period of time.
In which era was the Earth a big hot ball of material?
In which era contained the first modern humans?
In which era contained most of the dinosaurs?
In which era did the first algae form?
The Earth is 4.6 million years old.
What is the driving force behind plate tectonics?
