Odpowiedź:
1. Biofuels are made from plants.
2. Trees are cut down to make furniture.
3. Rainforests are destroyed to make farms.
4. Animals are shot by hunters.
5. The sun’s heat is trapped by greenhouse gases.
6. Fossil fuels are burnt in power stations.
7. Trainers are made in this factory.
8. Seabirds are killed by oil pollution.
