Because it is for school related topics. Join a chat room that allows you to say as you wish. Like your mom would say: Their house, Their rules.
Answer:
Types:
Pit latrine.
Trench latrine.
Aqua privy.
Most basic.
Explanation: The Sulabh toilet is a twin-pit system that composts waste on-site. The two leach pits retain solid matter and allow the liquid to leach and gases to disperse into the ground. Once one pit is filled, waste is diverted to the second pit. This dual-system allows adequate time for the waste to decompose into fertilizer.
Cereal companies are blamed for putting too much sugar into their products, which causes obesity. This is bad for them, as it would stop people from bying their products. So they would have an interest in study showing that this is not the case: the study would be a self-interest study (the correct answer) and therefore not be reliable
Answer is A. More than 90 degrees and you're not getting the full work out, less than 90 degrees and you're burning energy unnecessarily