Across
- 3. the layer of rock or soil in which groundwater collects is known as
- 5. when rain falls,some of the water seeps through the soil.this process is known as
- 6. when you dig a hole in the ground,you find moist soil at certain depth
Down
- 1. what is the solid matter produced by sewage system
- 2. the water found below the water table is known as
- 4. name of the chemical used to disinfect water