B 2
6.4.4.1 6.4.6.1 Answer the questions.
6 What should we do if we see
1 Why should we avoid using our cars?
2 What means of transport are less
rubbish on the ground?
harmful to the environment?
THINK! What do we need to do
7
3 What can we do if we can't use
to keep our own neighbourhood
an item again?
clean? In three minutes write a
4 Who can help you to clean up
few sentences. Read them to
your neighbourhood?
5 Why are trees important?
your partner.
8 What is the author's attitude?​

1. Somewhere in the world a volcano erupts every two minutes.2 The most powerful earthquake on record (9.3 on the Richter scale) occurred in Greece. 3 The city of Venice has been destroyed by floods more than twice in its hictory.4 In Australia forest fires are necessary for trees to reproduce.5 The Sahara is the largest desert in the world.6 The Amazon is the biggest rainforest in the world. 7 The African elephant is an endangered species.8 All snakes are a protected species in Australia, which means it is illegal to kill them.9 The natural habitat of the tiger Africa. 10 The Tasmanian Tiger, which became extinct in the 20 th century, is in fact a type of dog.

1. Somewhere in the world a volcano erupts every two minutes.2 The most powerful earthquake onrecord (9.3 on the Richter scale) occurred in Greece. 3 The city of Venice has been destroyed by floods more tnan twice in its hictory.4 In Australia forest fires are necessary for trees to reproduce.5 The Sahara is the largest desert in the world.6 The Amazon is the biggest rainforest in the world. 7 The African elephant is an endangered species.8 All snakes are a protected species in Australia, which means it is illegal to kill them.9 The natural habitat of the tiger Africa. 10 The Tasmanian Tiger, which became extinct in the 20 th century, is in fact a type of dog.