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61. The platinum catalyses the reaction of carbon monoxide and hydrocarbons with air to give carbon dioxide and water vapour.

62. Carbon dioxide invariably contains 27.37% carbon and 72.73% oxygen, by mass.

63. The maps will be used to show that current plans to reduce sulphur dioxide emissions from power stations will meet international commitments.

64. The zinc sulphide is then transferred to a vessel through which passes an inert gas, such as nitrogen or carbon dioxide.

65. Nor is there any likelihood of competition being diminished, except in the case of one minor product, titanium dioxide.

66. Mr Bondevik wanted to postpone building gas plants until emissions of environmental-damaging carbon dioxide can be cut.

67. Carbon dioxide and other unwanted exhaled gases are sucked away through ceiling pendant into filter cleaner.

68. As irradiance increases the carbon dioxide supply becomes more important and eventually limiting.

69. Carbonates destroyed by the acid rain release vast quantities of carbon dioxide into the atmosphere.

70. Global warming occurs when carbon dioxide and some other gases, such as methane and nitrogen oxides, accumulate in the atmosphere.

71. The fires produced 20,000 to 40,000 tonnes of sulphur dioxide as well as many thousands of tonnes of oxides of nitrogen.

72. This carbon dioxide is first transformed to carbonates, and incorporated in the shells of sea creatures.

73. The vaporized gasoline is processed into hydrogen, water and carbon dioxide.

73. Sentencedict.com is a online sentence dictionary, on which you can find good sentences for a large number of words.

74. The most immediate is that they take up oxygen from water to support their respiration and produce carbon dioxide.

75. The more the continents are exposed to weathering, the more carbon dioxide is drawn down from the atmosphere.

76. Reducing carbon dioxide emissions to required levels will not be achieved by ceasing to mine coal in Britain.

77. Climatic changes are caused by the increasing levels of carbon dioxide in the atmosphere.

78. The best way to get that carbon dioxide into the atmosphere is to warm the entire planet.

79. In energy terms, the goal of the autonomous house is to eliminate fossil-fuel use and the associated carbon dioxide emissions.

80. Breathing air is cleansed of deadly carbon dioxide in a three-step process.

81. Carbon dioxide is the main cause of global warming - the Greenhouse Effect.

82. Oxygen is absorbed into the water by surface movement, where a gaseous exchange takes place releasing carbon dioxide and absorbing oxygen.

83. At that point, however, the still increasing emissions of carbon dioxide will begin the upward spiral once more.

84. Trees consume carbon dioxide emitted by coal-fired power stations and other sources.

85. The mixture is coagulated and titanium dioxide is added to adjust the weight.

86. Carbon Dioxide An increase in the amount of carbon dioxide is responsible for about half the total warming.

87. The prime minister has promised to tighten up the law on carbon dioxide emissions.

88. However, this statistic conceals that levels of nitrogen dioxide have changed little since 1983.

89. The very same process, operating on water instead of carbon dioxide, makes oxygen and hydrogen gas.

90. Crop yields will improve dramatically as vegetation thrives on an atmosphere rich in carbon dioxide.