Synonym: C, atomic number 6, carbon copy, carbon paper. Similar words: carbohydrate, bond, nearby, marble, bonus, garbage, ribbon, bona fide. Meaning: ['kɑːbən] 
n. 1. an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds 2. a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper 3. a copy made with carbon paper.
n. 1. an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds 2. a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper 3. a copy made with carbon paper. 
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31. How is carbon dioxide formed?
32. She's a carbon copy of her sister.
33. She is a carbon copy of her sister.
34. The twins were carbon copies of each other.
35. Steel is produced by combining iron with carbon.
36. Humans take in oxygen and breathe out carbon dioxide.
37. Coke burns with oxygen to give carbon dioxide.
38. You receive the top copy of the receipt, and we keep the carbon.
39. Scientists are warning that unless carbon emissions are cut, we could be heading for an environmental catastrophe.
40. A catalytic converter will cut out 90% of carbon monoxide emissions.
41. You can liquefy the carbon dioxide to separate it from the other constituents.
42. The lime water has turned cloudy, therefore carbon dioxide has been produced during the experiment.
43. The increased use of natural gas will help reduce carbon dioxide emissions.
44. The robbery is a carbon copy of one that took place last year.
45. Richer countries must do more to cut back carbon emissions.
46. Leaves of many plants take up carbon dioxide and fix it in organic acids.
47. Plants and trees filter carbon dioxide out of the air and produce oxygen.
48. Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.
49. A molecule of carbon dioxide has one carbon atom and two oxygen atoms.
50. A spokesperson commented that levels of carbon dioxide were very high.
51. By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier,[www.Sentencedict.com] more wasteful nations.
52. They used carbon dating tests to authenticate the claim that the skeleton was 2 million years old.
53. In its untreated state the carbon fibre material is rather like cloth.
54. Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.
55. Carbon dating provides the archaeologist with a basic chronological framework.
56. Most scientists accept that climate change is linked to carbon emissions.
57. The carbon tax might well lead to a doubling of prices for fossil fuels.
58. Reducing levels of carbon dioxide in the atmosphere is of critical importance.
59. Microbes decompose organic waste into a mixture of methane and carbon dioxide.
60. When water comes into contact with air, carbon dioxide is released.