QUES: Enter in next column any elements all of whose predecessors are already in the diagram

correct the punctuation.

CORRECTED: Enter in next column any elements all of whose predecessors are already in the diagram.

QUES: The high quality cleanliness of the sea has brought Crikvenica a blue flag the Europen recognition for seawater cleanliness Closest airport is in Zagreb

correct the punctuation.

CORRECTED: The high quality cleanliness of the sea has brought Crikvenica a 'blue flag', the Europen recognition for seawater cleanliness. Closest airport is in Zagreb.

QUES: The impressive Skaala Cleantech Center stands in the middle of the new extension to the Ylihrm plant its structures enlivened by a matt metallic glow created with INFRALIT powder coating

correct the punctuation.

CORRECTED:
The impressive Skaala Cleantech Center stands in the middle of the new extension to the Yliharma plant, its structures enlivened by a matt metallic glow created with INFRALIT powder coating.