What is the maximum amount of water consumption per flush to certify toilets in North America?

What is the time frame required for anaerobic digestion?

Which of the following latrines is the cheapest one?

What is the expected year to achieve 100% sanitation?

How much is the population in India practising open defecation?

How many types of rubbish waste are present?

What is the maximum number of pits considered in pit latrines?

Garbage is a liquid waste.