for science today qwe are going to talk ablout diffrent ways to find things by using sound or radio waves. like thwire is an ultra sound its safer for women that have babies because they dont have to blast the radiation. at you so its mutch safer and ultrasound is like where they shoot milkions of sound waves at the person or something like that and it makes 2 d images ona screen. and new technology makes it so you can see things in three d on the screen iaant that cool radar is a bit more dangerous because you blast with radiation.
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so I have read this part before but I never told you about it this is quite interesting. called rooster earplugs the rooster lets out a cockle doodle do that has 140 decibels. of sound that's loud enough to defend. you that is why the rooster does it in a high place and away from the hens. so he doesn't deafen them also the rooster has these built-in earplugs that totally block up his ear ducts. also he has a lot of hair or something like that in there so it would have to get through that. see even in this stupid animal God has put in these amazing adaptions or something like that other than adaptions.
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