2. Rubbish Bins What’s in your rubbish bin? Who throws the rubbish away in your family? How long will it take your rubbish to decay (разложиться)?

3. Decay Rates metal - takes up to 50 years to decay leather shoes - 50 years to decay aluminium drink cans - 80 years to decay plastic - 100 years to decay tires - no figure is yet available plastic bottles - last indefinitely glass bottles - one million years to decay – they erode like rock. plastic bags - 10–20 years to decay cardboard boxes - several months to decay newspaper - a few weeks to decay plastic food wrappings – as used for biscuits and crisps – can take up to 5 years to decay

4. What symbol is it? What would you write under the symbol to make a poster?