Salutations!
<span>What type of boundary occurs along the Aleutian islands in the north pacific?
Convergent boundaries occur along the Aleutian islands in the north pacific.
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Answer:
7) The Cretaceous period and it lasted for 80 million years
8) The Cenozoic era for 65 million years
9) 4.5 billion years ago
10) It began 252.2 million years ago
11) It ended 66 million years ago
12) About 190 million years
Explanation:
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Answer:
option a because the industrial revolution created more inventions making factories work faster and more efficiently.
Each era is subdivided into a number of periods. The periods of the Cenozoic, the present era, are further divided into epochs. Many divisions of the geologic time scale are based on events in Earth's geologic history. Some divisions are based entirely on the fossil record.
