Part 1: The impact of climate change on butterflies in Britain

You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 1 below.

Part 2: Deep-sea mining

You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 2 below.

Part 3: The Unselfish Gene

You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 3 below.