Match the words in the two columns. Then use them to

Match the words in the two columns. Then use them to complete the sentences.
A
native
human
food
unspoilt
greenhouse
global
B
a gases
b places
c people
d chain
e warming
f impact
1 The Great White Shark is an incredible predator at the top of the marine food chain.
2 The human impact on the Earths rainforests has been huge.
3 Carbon dioxide and other greenhouse gases are responsible for the pollution of the environment.
4 Unfortunately, there are few unspoilt places on Earth which have not suffered the damaging effects of human interference.
5 The native people of New Zealand are called Maoris.
6 Some scientists predict the ice in the polar regions will continue to melt as a result of global warming.