Grade 12th pass7 grade science
State whether the following statements are True or False. In case a statement is false, write the correct statement. Where underground sewerage systems and refuse disposal systems are not available, the high cost on-site sanitation system can be adopted.
State whether the following statements are True or False. In case a statement is false, write the correct statement. Where underground sewerage systems and refuse disposal systems are not available, the high cost on-site sanitation system can be adopted.
