As promised, a more difficult nut for today!

I will give this one 3/5 difficulty.

Photo credit: Lior Golgher, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

Hint:

spoiler

This nut is named for its most common country of origin.

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Answer and some fun facts about this nut:

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It’s a Brazil nut! Brazil nuts are fairly unique among nuts one might commonly see in a grocery store. They are not a domesticated crop like most other nuts, and are mainly wild-harvested from the Amazon rainforest. Some have advocated this as a model of a sustainable economic activity in the rainforest, but other studies have noted that in areas where nuts are heavily harvested, the regeneration of the species is poor.

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Tune in tomorrow for more nutty knowledge!