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2 In pairs, discuss the following questions. Then share your ideas with the 
teacher and classmates.
A Go back to Read on. Which of these problems were mentioned in the cartoon? 
B Considering the news and your own perception, which of these problems 
affect your community the most?
C In your opinion, are there other global problems that affect your 
community and were not mentioned in activity 1? If so, which one(s)? 
Hunger and overpopulation.
Personal answer.
Personal answers.
Vocabulary
 1 The following pictures show some global problems. In your notebook, match them with the 
correct words in the box. 
climate change – deforestation – hunger – infectious diseases – overpopulation – pollution
A
C
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climate change
overpopulation
deforestation
hunger
pollution
infectious diseases
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FOOD FOR THOUGHT
 1 Observe the pictures below and put them in order. Then write a paragraph with your teacher 
and classmates.
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Possible answer: First, platforms extract petroleum from the ground. Then industries make 
products from petroleum, such as plastic, that is used for water packaging. Next, consumers buy 
water bottles and throw the plastic material in bins and/or dump in nature.
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