First let me say this, i may be wrong. I think it would change over time because first of all the sandstone has different densities. Different kinds off rocks erode and get broken down by the wind at different rates. If its density is higher, it will take longer to erode
<span>The factors that are responsible for the ABO blood type, or the Rh, are located on the surface of the red blood cells, also known as erythrocites. They are used to deliver oxygen to the body tissues. </span>
This question has a two part answer. The first part is that an asteroid hitting the earth and the second part is massive volcanoes erupting around the world.
Lower atmosphere and surface is your answer!!