The deserts in North America are generally bordered by a climate type that is often considered as transitional between the deserts and the forests, that being the grassland. The grassland is a climate type that has hot and dry summers, with the temperatures going well up, and it has a relatively long drought. The winters are the total opposite, as they are very cold and humid. These climate conditions have created suitable circumstance for the development of the grasses, so they are the dominant plants, and they are the reason as to why this climate has its name. The grassland climate can be found in the interior of the continent, and it is mostly bordering the desert from the eastern and northern sides. Nowadays, the areas that have this climate, are heavily used for agriculture, as the soil in these areas is very deep and highly fertile.
Earthquakes occur along plat boundaries and faults. Most earthquakes happen along the edge of continental and oceanic plates. Faults are found in the middle of the plates. They're like cracks that form when the different parts of the plates don't move in the same direction.
The answer to this question is. The Huang He river often floods and when that happens, it can be disastrous. The floods damage homes, livestock, and has even caused fatalities. Dams have also never been able to fully contain the river.