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>
Either the first one or second one
Explanation:
this answer help you or not comment
If it follows the same pattern shown on the data table then the aproximate distance for a galaxy that has a velocity of 30000 km/s would be 1960 million light years and would be between the galaxy C and galaxy D.
It is the Tigris River. The Tigris river is located at Asia. It is one of the major rivers in Asia.