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Sedimentary rocks are formed from the accumulation and cementation of mineral and organic particles over time. They are the most common type of rocks where fossils can be found because they form in layers at Earth's surface where organisms are buried and preserved quickly after death. Fossils represent past life forms, and their presence in sedimentary rocks provides important insights into Earth's biological and geological history.
He would not change his job for all the coffee in China .
Contracting out services of the virtual unregulation and largely commercial private system is fraught with risks.
She could not resist the temptation anyone .
The prime minister paid tributes to the martyrs by laying a circular arrangement of flowers.
In an examination, it is more important to answer accurately than a quick finish .
He wasn’t really a practising Buddhist , it transpired, but he had enthusiasm.