Sentences of a paragraph are given below. While the first and the last sentences (1 and 6) are in the correct order, the sentences in between are jumbled up (A to D).
Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
1. Biogas is a mixture of methane, carbon dioxide and hydrogen with others.
A. Biogas is produced by anaerobic degradation of animal wastes (some plant wastes) in presence of water.
B. Thus, biogas is a non-polluting, cleaned and low cost fuel.
C. Anaerobic degradation means breakdown of organic matter which is done in the absence of oxygen.
D. It is mostly used in rural areas where ample animal and agricultural waste is available.
6. Biogas eliminates the risk of health hazards offered by other fuels.