A low lying open area used to store city garbage is called ________.
(a) Here is a crossword puzzle: Good luck! Across 3. Liquid waste products (b) 4. Solid waste extracted in sewage treatment (c) 6. A word related to hygiene (d) 8. Waste matter discharged from human body (e) Down 1. Used water (f) Down 2. A pipe carrying sewage (g) Down 5. Micro-organisms which causes cholera (h) Down 8. A chemical to disinfect water