GENTE ME AJUDEM POR FAVOR!!!!!!!!!
1. Where does the water we drink come from?
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_2. Where do many cities dump their water?
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_3. What do chemicals and pathogenic bacteria cause to water?
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_4. What is necessary to make water safe and palatable?
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_5. How do many communities reduce tooth decay in children?
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6. Write T for true and F for false.
( ) Nitrates pollute the water.
( ) People dump purified water into the river.
( ) We drink water from reservoirs.
( ) Fertilizers purify the water.
( ) We can’t drink safe water.
GRATA!!
Respostas
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desculpa não sei as respostas mas vc poderia usar o tradutor
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