Leandro.Oka's essays

Academic e-mail

English
Dear Prof. Dr Stone, with regard to the e-mail you send me last week, I spent s...
Last comment byJade.Xuereb
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Pandemics

English
The history of humanity is marked by several infectious diseases that emerged ov...
Last comment bydeleted.89604
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Climate change

English
This is my first essay here on the OPLingo website and I'd like to improve my wr...
Last comment byKeith.Miller
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