hearing

today we went to whare kai to lean about how to keep your hearing good.we leant that any thing over 85 decimals can effect your hearing.there are hairs in your ear and when it goes over 85 go down and you can lose yore hearing.how you know you are losing your hearing you might have ringing in your ear or it might start to get sharp pain.we had a go with a tuning fork to see thet the closer u are to the object the worse it gets.we had a go with pipe cleaners she said that the hiars are like pipe cleaners when it gets over 85 they will go down but there are animals that it can grow back straight nad those three animals are frogs and birds fish