Carbon dioxide Essay

Do non write outside the box around each rapscallion or on blank pages. ? Do all rough hold out in this book. Cross through any work you do not want to be marked. Information The marks for questions are shown in brackets. ? The utmost mark for this paper is 45. ? You are expected to use a calculating machine where appropriate. ? You are reminded of the need for good English and clear presentation in your solvings. ? Advice ? In all calculations, show clearly how you work out your answer. (Jan12CHy1H01) K76507 6/6/6 CHY1H 2 Answer all questions in the spaces provided. Do not write outside the box 1Petroleum diesel motor is a fuel make from crude oil. Biodiesel is a fuel made from vegetable oils. To make biodiesel, large areas of land are needed to beget crops from which the vegetable oils are extracted. Large areas of forest are cleared by burning the trees to provide more land for growing these crops. Leave as forest Forest green goods food Burn the trees Grow crops Produce b iodiesel 1 (a) 1 (a) (i) Use this information and your knowledge and understanding to answer these questions. Carbon neutral means that there is no increase in the amount of carbon dioxide in the atmosphere.