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RE: Microscopy Contest 02 and Win 1 STEEM
I think about your business. the answer is green beans.
The reason:
Simple trees and pointy fruit and seeds look like crystals and green beans are good for health and are very often used as an additional food menu found in the hospital.
The contest expired with no winners... Thanks to the participants for their guesses. The (palm) tree that has nuts with microscopically small needles (don't eat the nuts!!) is the so called triangle palm (Dypsis decaryi) https://www.palmsonline.com.au/flex/understanding-the-nature-of-triangle-palm-for-beginners/20/1