check file

for A use the files name :1- Biomimicry.pptx
2-Biomimicry - Technique 29.pptx
3-Biomimicry Guided Tour.pdf
For B use these :
1- https://www.youtube.com/watch?v=JL9URxJA6r4
2-  Biomimicry Guided Tour.pdf



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Preview YouTube video 25 Accidental Inventions That Changed The World


25 Accidental Inventions That Changed The World