1. the environment and natural resources.Natural sources of water, shallow The underground water level changes. Has abundance of dry damage? An erosion of the soil and the utilization of deserted land does not.
1. Environmental and Natural Resources natural shallow water. Groundwater level changes The area had plenty drought. Erosion of top soil. And do not take advantage of abandoned land.
1. Environment and natural resources, natural water shallow Groundwater level changes. The area was rich's drought, cause erosion of the face of the earth. And do not take advantage of the waste land.