<span>During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, the intake and exhaust valves will both be closed. This means that the mixture of fuel and air are compressed, due to the seal around the combustion chamber that has been created by the closure of both of these valves. Hopefully that answered your question for you!</span>
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Bad political geography
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The president of the usa doesn't believe in climate change and overall america is a joke- U.K
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Everglades, subtropical saw-grass marsh region, a “river of grass” up to 50 miles (80 km) wide but generally less than 1 foot (0.3 metre) deep, covering more than 4,300 square miles (11,100 square km) of southern Florida, U.S. Through it, water moves slowly southward to mangrove swamps bordering the Gulf of Mexico to the southwest and Florida Bay to the south. To the east the marsh reaches near the narrow, sandy belt that includes the Miami metropolitan area, and to the west it merges into Big Cypress Swamp. The name Everglades is a term unique to Florida. Glade has been used to refer to an open, grassy area in the forest or a moist, swampy area; ever may have referred to the marsh’s seemingly interminable expanse.
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