Rewrite the sentences using " if " or " unless

Rewrite the sentences using " if " or " unless
6. we save water/ we will help conserve natural resources.
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7. we plant more trees/ the air quality will not improve.
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8. everyone picks up trash/ the streets will be cleaner.
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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.
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