Vocabulary 3 Match the words or phrases with the definitions (A-H). sulfur lime acidity sodium alkaline dryland salinity primary salinity toxic A a white substance formed by heating shells B salinity caused by natural processes, like groundwater movement C a chemical element that is yellow in color and has a powerful smell D the concentration of acid in soil E salinity that occurs in areas that are not irrigated F harmful to living things G a chemical element and component of salt H containing a pH value greater than 7.0

1. Sulfur: C - a chemical element that is yellow in color and has a powerful smell. 2. Lime: A - a white substance formed by heating shells. 3. Acidity: D - the concentration of acid in soil. 4. Sodium: G - a chemical element and component of salt. 5. Alkaline: H - containing a pH value greater than 7.0. 6. Dryland Salinity: E - salinity that occurs in areas that are not irrigated. 7. Primary Salinity: B - salinity caused by natural processes, like groundwater movement. 8. Toxic: F - harmful to living things.