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The given blank can be filled with dinosaur footprints.
In the Precambrian, the sedimentary rocks deposition took place in the Blue Ridge Province of Virginia, however, no fossils have been positively determined from these deposits. The Paleozoic rocks are well documented in Virginia. The occurrences of shallow area deposition were obstructed by subsequent periods of erosion and mountain-building incidents.
The withdrawal of the widespread shallow regions of the Paleozoic left much of the state exposed at the time of Mesozoic and Permian. In central Virginia, fossils of freshwater fish, dinosaur footprints, and insects are found in the rift basin deposits of the Triassic.
<span>An explosion from outside the nebula</span>
Answer:
Its A
Explanation:
It takes about 4 years for light from this star to reach earth. Depends on the the Distance of the star. As our sun is 149.6 million km away from the Earth it takes total 8 minutes 20 seconds.
It takes light 8 minute to reach from surface of sun to earth.
However, light produced in the core of the sun takes thousands to millions of years to get to the surface.
A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km).