Clastic sedimentary rocks are made up of pieces (clasts) of pre-existing rocks. Pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped. If the sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock.
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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The primary sector<span> of the economy extracts or harvests </span>products<span> from the </span>earth<span>, </span>such<span> as raw materials and basic foods.</span>
Answer:
A few million, So about 5 million!
Explanation:
Landscape of your community can change by growth as more people move there they would have to build on more. hope this helps!!!!
