Математичний аналіз і диференціальні рівняння вивчаю САМ

I apologize for off-topic, I am thinking about creating an instructive site for young students. Will probably begin with submitting interesting facts such as"The Brimstone butterfly (Gonepterix rhamni) has the longest lifetime of the adult butterflies: 9-10 months."Please let me know if you know where I can find some related information and facts like right here

geomonitoring.kz/do-my-essay/we-understa...re-article-critique/