Make the first conditional sentences, using the words and phrases given

make the first conditional sentences, using the words and phrases given
1 if/ we/ plant/ more trees/ neighbourhood/ greener.
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2 if/ we/ cycle/ school/ every day/ we/ keep/ air/ clean and fresh.
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3 if/ we/ keep/ hunt/ animals/ they/ disappear/ soon.
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4 if/ we/ cut down/ all/ trees/ there/ floods.
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5 if/ we/ use/ buses/ we/ reduce/ pollution.
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