It is the observed process in change.
Limestone: Flaky and mainly made of bones.
Shale: Fine grained and made of clay fragments.
Flint: Hard rock made up of mineral quartz. Also can be used to make fire (flint and steel)
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It probably dies of that because that seems intense so maybe it will die
Light that passes through a polarizing filter is called a vacuum.
Answer:
Explanation:
The first mass extinction is called the Ordovician-Silurian Extinction. It occurred about 440 million years ago, at the end of the period that paleontologists and geologists call the Ordovician, and followed by the start of the Silurian period. In this extinction event, many small organisms of the sea became extinct.