Page 6 - Take a Closer Look at Oil
P. 6

Dolphins communicate with

              sound waves, called echolocation.














































           To search for oil off shore, workers create sound waves
        with air gun blasts. These sound waves could aff ect marine

        animals. Whales and dolphins communicate with sound.
        Scientists think their migration or

        feeding patterns could be disrupted.
        Fish might be scared away by noise.





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