a) industrial
b) developing
c) industrial and developing
9. Industrial metals and pesticides seep into the earth's soil and contaminate our
a) food supply
b) food shortages
c) disease outbreaks
10. Premature deaths caused by pollution are expected to increase as more people move to
a) developed nations
b) urban centres
c) country town
Activity 2.
1. The place where a species lives and reproduces is its natural
a) habitat
b) wildlife
c) extinction
2. According to the article, an endangered species is one that is
a) already extinct
b) already dangerous
c) in danger of extinction
3. Which poses the greatest threat to polar bears today?
a) wildlife hunting
b) climate change
c) water pollution
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