What geographical significance do the Pecos River and the Rio Grande have in the Mountains and Basins?

All of the following cities are located in china except

When top-roping is used, how long should the rope be in order to protect the climber throughout the climb?

George h. w. bush a) hosted the dayton peace talks b) lost support when he agreed to new taxes c) was president when the soviet union collapsed d) ordered relief aid to rwandan refugees