riki631 Posted November 2, 2020 Report Share Posted November 2, 2020 Hi, I'm really desperate, I've been all this month trying to get help from my teacher to help me a little with my internal idea. I wanted to do something that has to do with sound and I thought about sound absorption but I don't know how to formulate the internal in order to get something that could mark high. I'm doing Physics SL. Thank you Reply Link to post Share on other sites More sharing options...
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