надо вставить слова footprint
exhausts
extinct
dissolve
threat
patterns
greenhouse
melt
1 There aren't any wild wolves in Britain anymore. They became 250 years ago.
2 When the polar ice caps
the sea level rises.
3 Carbon dioxide is a(n) gas.
4 A lot of animals are losing their habitats and dying; the number of animals under is
increasing all the time.
5 We should all try to reduce our carbon
6 Car produce gases that surround the Earth.
7 Changing weather
threaten a lot of animals with extinction.
8 Acid rain can even
the stone we use for buildings.