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3A Is technology the answer
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pollution
Damage caused to water, air, etc. by harmful substances or waste.
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overpopulation
The fact of a country or city, etc. having too many people for the amount of food, materials, and space available there.
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epidemic
The appearance of a particular disease in a large number of people at the same time.
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poverty
The condition of being extremely poor which means that you don't have any money to use.
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starvation
The state of having no food for a long period, often causing death.
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congestion
A situation in which a place is too blocked or crowded, causing difficulties.
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