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StoneHenge- History Mystery Task Key questions Description Location - Where is the site? The StoneHenge is located in Amesbury, Salisbury in the UK. Time period - When was it built? The construction was believed to have started in 3100 BC. Purpose - Do historians know exactly what the site was used for? If yes, how do they know? If not, why don’t they know? The historians don’t know what the site was used for and how it was built. Some theories about that giants made the Stonehenge…

vulagaris L.) is a crop of the Chenopodiaceae family [1]. The crop is primarily cultivated for its edible roots and valued extremely for its color [1, 2]. Over the past 20 years, the production of red beets in the United States is estimated around 200,000 tonnes/ year [3, 4], of which almost 95% of the cultivated red beets are canned and only 5% are consumed as a vegetable [3]. Interestingly, this root vegetable is a crop of commercial importance [5], that is also exploited for the production of…

Using nuclear power is better solution even though will affects the population, using nuclear power will minimise the effect on atmosphere. In America, late 1965, electric has been emitted around 22 million tonnes of pollutants out of 140 million tonnes, and all these pollutants is still in this air moving, is right that electric it’s not most important thing to effect the atmospheric, but it’s part of destroying the earth. This electric need to cool down by using water and then…

Have you ever paid attention to the waste that is produced by your family? Some people think that it is a small quantity of waste, compared with the waste produced by the factory and they downplay the importance of household waste disposal. In fact, there are some crucial facts that would show the importance of household waste disposal. We generate over 50 tons of household waste every second. Every two hours we can produce enough household waste to fill the world 's largest container ship. That…

2.3 Past and Current Demand of Copper Prior to looking at the Mongolian copper industry, the world copper market must be studied. Based on the economic fundamentals of supply and demand theory, global demand has shown an increase over the last few decades but recently market has a surplus, which will be investigated in the following sections. There are several factors are influencing the demand of copper: copper price, demand for final products, government policy, consumer taste, technology,…

6.3.2 Energy Payback Time (EPBT) It is the required time to payback the embodied energy of the product. It is evaluated as [142]: (6.1) 6.3.3 CO2 Emission Watt et al., have reported that, the emission of average CO2 is approximately equivalent of 0.98 kg of CO2/kWh in the electricity generated by coal [143]. The CO2 emission per year can be calculated as [144] (6.2) 6.3.4 Carbon Mitigation and Earned Carbon Credit The mitigation of carbon dioxide (CO2) is used to measure the climate change…

effecting the environment? According to studies conducted in 2013, an estimated three hundred million tonnes of plastic had been produced, this figure is a four percent increase from the same study conducted a year earlier. If the production of plastic was to increase by 4 percent every year, by the year 2040 plastic production will have increased to a frightening eight hundred and sixty-five million tonnes (Gourmelon, 2015). The serious consequences plastic waste is having on the environment,…

Sales decreased from 3 crores (1983-84) to 2.6 crores (1986-87: The monthly sales were 120 Tonnes with 18100 per tonnes -120*18100*12=2,60, 64,000). 2. The capacity of the firm was increased from 120-240 tonnes per month in 1980-81 but still the output is 120 tonnes per month. 3. The absenteeism of daily casual labours which is 50%, leading to uneven production on a daily basis. 4. Inefficient use of raw materials leading to wastage…

oil and gas has increased due to the acid rain effect from the coal usage made people to use less coal the year 1950.canada has an estimated values of 3107 million tonnes of sub-bituminous coal and lignite and 3,471 million tonnes of anthracite and bituminous coal which altogether comes together to an estimated value of 6.6 billion tonnes of recoverable coal. To minimise the acid rain effect, co2 levels and raise of mean temperature all the governments has started number of research and…

sediments and soil over an area of roughly 100 hectares (AECOM, 2013). The Sydney Tar Ponds include three remediation sites including the Coke Ovens Site, the North Pond, and the South Pond. The Coke Ovens site is roughly 68 hectares in area 560,000 tonnes of contaminated soil (Government of Nova Scotia, 2006; ACOM, 2013; AMEC, 2006). Adjacent to the Coke Ovens site are residential areas in the north and south directions, and industrial and commercial properties to the east and west…