Questions 14 - 19
Reading Passage 2 has six paraghraps A - F
Which paragraph contains the following information?

 14. a theory about oil production which must still be proved
 15. an overview of the stages in a particular biofuel manufacturing method
 16. examples of the uses that biofuel crops might have apart from providing energy
17. an explanation of the way that fossil fuel use harms the environment
 18. reference to a particular biofuel production method being abandoned
 19. a comparison between the production costs for biofuels and for other kinds of fuel
Questions 20 - 23
Look at the following statements and the list of researchers below.
Match each statement with the correct researcher, A, B or C. Write the letter in the box.
NB You may use any letter more than once.
  20. It would be more cost-effective if a biofuel was used for a range of products.
  21. It is not always easy to predict what effects the use of biofuels crops may have.
  22. A variety of biofuel crops and manufacturing processes will be required in future.
  23. It would be best to use biofuel crops that can survive in difficult environmental conditions.
  

            List of researchers

     A Professor Bill Laurance
     B Professor Rachel Burton
     C Dr Allan Green

  
Questions 24 - 26
Complete the sentences below.
Choose  ONE WORD ONLY  from the passage for each answer. 

24. The decision by US farmers to grow  had an effect on land in Brazil.
25.  is threatened when trees are cut down so crops can be planted.
25. Rivers may be polluted by the that farmers use on biofuel crops.
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