A 1000g of sand has been soaked for at least 24hours prior to lab. After  drying the sample to saturated surface dry condition, the samples were split into two  and put in tare cans. Can1+sample weigh 800g and can2+sample weigh 300g.  Can1+sample was used for determining the specific gravity, where volume of water  displaced in flask is 320cc. Can2+sample was used for determining the oven-dry  weight which resulted to 280g. If the weight of can 1 and 2 is 5g and 6g  respectively, determine

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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.