Directions: Given below are six sentences (A), (B), (D), (E) and (F) which are jumbled up. Rearrange these sentences in the proper sequence to form a meaningful paragraph, then answer the given questions.

[INDIAN BANK (PO), 2011]

1. Building of these structures requires a lot of fuel to be burnt which emits a large amount of carbon dioxide in the atmosphere.
2. The major source of carbon dioxide is power plants.
3. Another 20% of carbon dioxide emitted in the atmosphere comes from burning of gasoline in the engines of vehicles.
4. Buildings, both commercial and residential, represent a larger source of global warming pollution than the said cars and trucks.
5. The major cause of global warming is the emission of green house gases like carbon dioxide, methane, nitrous oxide, etc., into the atmosphere.
6. These power plants emit large amounts of carbon dioxide produced from burning of fossil fuels for the purpose of electricity generation.

Which of the following should be the SECOND sentence after rearrangement?