Flush toilets are said to be more sanitary than squat toilets.

______ causes blue baby syndrome.

How much is the population in India practising open defecation?

How many types of rubbish waste are present?

What is the thickness of the compacted earth required for a top cover?

What is the maximum amount of solid waste produced in a country per capita per year?

What is the percentage of the world lacking access to toilets?

What is the population that lacks access to sanitation in India?