Rewrite the sentences using "if" or "unless"

Rewrite the sentences using "if" or "unless"
Giups mình với ạ sắp đi học rồi
 
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2. we don't recycle / the amount of waste will increase.
3. we stop using plastic bags/ pollution will continue to harm animals.
4. the factories release harmful gases/ the air will become polluted.
5. people use public transportation/ carbon emissions will rise.
6. we save water/ we will help conserve natural resources.
7. we plant more trees/ the air quality will not improve.
8. everyone picks up trash/ the streets will be cleaner.
9. we reduce energy consumption/ pollution levels will remain high.
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10. companies follow eco-friendly PF the Earth will be healthier.