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A population decreases after many members emigrated when a nearby river becomes polluted. How would you explain the reason for this decrease?

User Janay
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2 Answers

7 votes
more people cone in and pollute things do animals will leave because it’s bad for them
User Shmygol
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4 votes
Emigrated means they exited so due to the high amounts of pollution all the animals left which cause a population decrease
User Marcos Alcantara
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