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added by globalquiz.org Nov. 5, 2018, 10:28 p.m.
What are these trees?
poplars
alders
aspens
willows
Willows are very fast growing trees. One of the species, called energy willow, is grown as a source of biomass.
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Very interesting!
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This is initial version of the question.
added by globalquiz.org Nov. 5, 2018, 10:28 p.m.
reach: rather globalbotanynaturetrees
This is a correction, already accepted and applied to the original question.
added by globalquiz.org Nov. 5, 2018, 10:29 p.m.
reach: rather globalbotanynaturetrees

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      Acceptable  Ts
+1 Very interesting!  M
+1 Very interesting!  ---