Question 13 (1 point) What are some natural services that wetlands provide? (select all that apply) o they are a breeding ground for a diverse range of wildilife including birds, invertebrates, and fishes. o They reduce storm erosion o They are natural sponges for water o They trap nutrients and sediment and store them for use by the wetland ecosystem Question 14 (1 point) Most of the withdrawn fresh water is used for irrigation. o True o False
Question 15 (1 point) Select the disadvantages that dams have on the environment. (select all that apply) o Dams only provide benefits to the ervironment. o interfere with the life cycle of fishes o increase evapotranspiration rates which increases water loss o block the natural flow of a river which influences sedimentation rates Question 16 (1 point) How is soil produced? o Aggregation o Weathering o Granular addition o Lithification