Carbon dating bones


27-Feb-2017 23:03

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It produces the equivalent of 1,441 grams of CO2 – which is the same as driving a car for 12 miles.The ready-made 'all-day breakfast' sandwich (pictured) containing egg, bacon and sausage was found to be the worst offender.Their calculation was based on British Sandwich Association (BSA) figures that 11.5 billion sandwiches are eaten each year in the UK.

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The ready-made 'all-day breakfast' sandwich containing egg, bacon and sausage was found to be the worst offender.All-day-breakfast 1441.3g Ham and cheese 1349.5g Prawn and mayo 1254.7g Egg and bacon 1182.4g Ham salad 1119.1g Cheese Ploughman's 1112.1g Sausage and brown sauce 1087.2g Double cheese and onion 1078.4g Cheese & tomato 1067.3g Roast chicken and bacon 1030g Bacon, lettuce and tomato 1007.4g Ham & mustard 1000.5g Roast chicken and stuffing 991g Ham and mayo 978.2g Cheese and mayo 976.2g Chicken salad 963g Cheese & pickle 956.4g Ham and egg 947.8g Tuna and cucumber 942.9g Chicken and mayo 887g Free range egg and rocket 853.8g Tuna and sweet corn 851.6g Chicken & sweetcorn 769g Egg mayo and cress 739.0g The home-made favourite ham and cheese was found to have the lowest CO2 eq.Writing in the journal Sustainable Production and Consumption, the team said: 'The estimated impact from ready-made sandwiches ranges from 739g CO2 eq for egg & cress to 1,441g CO2 eq for the bacon, sausage & egg option.'The carbon footprint of the most popular home-made sandwich (ham & cheese) varies from 399–843g CO2 eq per sandwich, depending on the recipe.'Agricultural production and processing of ingredients were found to be the largest contributor to a sandwich's carbon footprint.It produces the equivalent of 1,441 grams of CO2 – which is the same as driving a car for 12 miles The team from the University of Manchester calculated the carbon dioxide equivalent (CO2 eq) – a standard unit for measuring carbon footprints – for the snacks.



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