TECHNOLOGY
EARTH SCIENCES QUIZ
Please answer to the following Earth Sciences Question. Then you can indicate who must answer question 2.
This era started about 570 million years ago and ended about 240 million years ago, plenty of time for the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian periods. What was it?
This era started about 570 million years ago and ended about 240 million years ago, plenty of time for the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian periods. What was it?
