One natural process has since the origin of the Earth removed almost all the CO2 that was ever produced by volcanism. That process is the reaction of CO2 and wa
Earthquake is a violent and irregular ground motion that can severely damage structures. In this paper we subject a single-degree-of-freedom system, consisting
This study presents the changes in lake areas in the Valley of Lakes, the Govi region, southern Mongolia. The recent changes in lake areas show decreases depend