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Greenhouse Effect __ L __ N T __ __ G T __ __ _Pollution B __ K __ N __ AND __ A L __ I __ __ *
1 point

This is a required question
4. Thinning of forest R __ F O __ __ S T A __ I O __ *
1 point

This is a required question
5. Biodegradable waste __ O M __ __ S T I __ __ *
1 point
S *

Air Pollution B __ K __ N __ AND __ A L __ I ​