Crop-growing skyscrapers

Questions 27-29
Reading Passage 3 has eight paragraphs A-H
Which paragraph contains the following information?
Write the correct letter, A-H, in boxes 27-29 on your answer sheet.
27 mention of a geo-engineering project based on an earlier natural phenomenon
28 an example of a successful use of geo-engineering
29 a common definition of geo-engineering
Questions 30-36
Choose ONE WORD from the passage for each answer.
Write your answers in boxes 30-36 on your answer sheet.
GEO-ENGINEERING PROJECTS

Procedure	Aim
put a large number of tiny spacecraft into orbit far above Earth	to create a 30………….. that would reduce the amount of light reaching Earth
place 31…………… in the sea	to encourage 32…………… to form
release aerosol sprays into the stratosphere	to create 33……………. that would reduce the amount of light reaching Earth
fix strong 34…………… to Greenland ice sheets	to prevent icebergs moving into the sea
plant trees in Russian Arctic that would lose their leaves in winter	to allow the 35…………… to reflect radiation
change the direction of 36……………	to bring more cold water into ice-forming areas