Match the following: a. Terrace farming i. Reduces soil nutrients b. Erosion ii. Hills c. Conservation iii. Groundnuts d. Crop rotation iv. Embankment

a-ii Terrace farming is mainly used in hilly areas in order to avoid soil erosion. b-i Soil erosion is the displacement of the upper layer of soil. Soil erosion reduces soil nutrients. c-iv The embankment method helps to conserve soil. An embankment is a wall or bank of earth or stone built to prevent the flow of rivers from flooding during times of high water. d-iii Groundnuts are a crop mainly used for crop rotation. This increases soil fertility and reduces erosion. a. Terrace farming ii. Hills b. Erosion i. Reduces soil nutrients c. Conservation iv. Embankment d. Crop rotation iii. Groundnuts