Task 1: Line graph - renewable energy as a share of total energy; six countries; 1971-2011; Finland remains highest; the US and Germany rise strongly; the UK stays lowest. Task 2: Agree or disagree essay - younger leaders vs older managers; innovation and adaptability; experience and judgement; leadership ability matters more than age.

Task 1: Bar chart - waste disposal methods in one European country; 2005-2008; landfill decreases sharply; burning increases steadily; dumping at sea fluctuates slightly. Task 2: Agree or disagree essay - children watching TV and playing computer games; mental abilities; screen time risks; educational benefits; balanced use with parental control.