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Waves are very helpful. Waves carry energy.
Sound waves can help dolphins and whales to communicate with each other and find food.
Waves also help the ecosystem.
On the other hand, waves are also really powerful. And sometimes very dangerous, for example light waves can help the ecosystem but they can also give you sunburn.
Another example of a wave that isn't so good is the Sea-hawks Stadium. There is sound reflective walls. Sometimes if the fans are too loud they can cause a 1.1 earthquake.
In conclusion, waves are very helpful to the ecosystem. But if not contained, can be damaging. Thank you for listening
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