Ερώτηση 1 (Συμπλήρωση Κενών (Αυστηρή Ταυτοποίηση) — 5 βαθμοί) 

which are the causes of the environmental problems?

1. Environmentally people are those who recycle objects and protect animals which need care. 2. Exhaust fumes and gases from the cars the air. 3. If is clean, the animals have a clean habitat. 4. Pollution of the sea is by industrial waste. 5. Batteries can be .