1) Look at the picture and choose the right option a) Cliff b) Bay c) Sand dunes d) Cave 2) Which of the pictures is a "Cliff"? a) b) c) d) 3) Which of the pictures is a "Bay" a) b) c) d) 4) Look at the pictures and choose the right option a) Cliff b) Bay c) Cave d) Sand dunes 5) Which of the following pictures represent "industrial chemicals"? a) b) c) d) 6) Read the defintion and choose the right option: "Wasterwater produced by human activities from homes, industries, hospitals, etc."  a) Air pollutants b) Agricultural run-off c) Untreated sewage d) Industrial chemicals 7) Read the following definition and choose the right option: "Refers to the pollution to coastal ecosystems, caused by the release of water from agricultural activities a) Air pollutants b) Untreaded sewage c) Industrial chemicals d) Agricultural run-off 8) Which of the following pictures represent "Air pollutant"? a) b) c) d)

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