800,000-year Ice-Core Records of Atmospheric Carbon Dioxide (CO2) This page introduces Antarctic ice-core records of carbon dioxide (CO2<span>) that now extend back </span>800,000 years<span> at Dome C and over</span>400,000 years<span> at the Vostok site.</span>
One simple and easy way that scientists can accurately date fossils found is through the ground levels. When you take a big chunk out of the earth, you can see the changes in the texture in the "ground" Each "layer" represents a set of years. And as you get further and further into the ground, fossils become older and older.
Answer: An avalanche is an example of erosion
Explanation: