100 cm3 soil weighed 165g when moist, then after oven drying, its weight was reduced to 130g. Assuming that Vp/Vt= 0.45 and Hs=15cm. Solve the following: a) the void ratio, e.  b) the degree saturation, %s. c) the height of water (hw). d) the volume of solid.

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Landfills

The landfill is a site used for the disposal of waste materials. The landfill is a solid waste facility that is often known as a dumping ground. The image below shows a landfill site in Hawaii. Landfilling is the most ancient and common method used for the disposal of waste. For the landfill, a deep trench is constructed in an isolated place away from the city. The trench for landfills is designed properly after analyzing the total population and the waste generation per capita. The waste is dumped into the trench and after every layer of waste, a layer of soil is spread on the top of it.