1. How often do you recycle things?
B. Every day
2. How much food do you waste every week?
A. Not much
3. How many trees do they cut down each year?
4. What time is the documentary about global warming?
E. 15 years old
5. When did they first start to pollute our seas?
C. Years ago
6. How far is the nearest recycling centre?
D. A few kilometres