2 Choose the correct words.
10
Many people are trying to save the
0 plants/ planets on Earth. They are worried
because many animals are facing
1 existence / extinction as their habitats
2 disappear / discover and they are killed by
hunters. But it won't be the first time that
animals have disappeared from our planet.
Millions of years ago 3 dinosaurs / fossils lived
on Earth and then suddenly disappeared.
4 Archaeologists / Chemists have found
5 discovery evidence of enormous birds, many
of which were bigger than mammals. We also
know that not so long ago people hunted the
6 sabre / giant -toothed tiger. Scientists keep
finding out new discovery / information
about these creatures all the time. In 2005 the
Chinese made the discovery importance of
the fossil of an unknown dinosaur the size of
a cat!
7
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