© Cambridge University Press 2012
Level 4
Unit 6 Vocabulary Practice
Level 4 Unit 6
Answer Key
Second edition
2 starvation
3 resources
4 pollution
5 atmosphere
6 temperatures
2 2 out
3 up
4 of
5 up
6 about
3 2 fouling up
3 dying out
5 going up
6 runs out
4
/ð/ /θ/