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I need someone to rewrite 9 Spanish articles (average 500-600 words) about amino acids into:
5 SEO Spanish articles.
I will give you the 5 keywords.
The articles MUST be SEO written (4% keyword density) and minimal 1000 words.
Be native Spanish speaker.
Know how to write SEO articles.
Know how to use H2 tags, to make the article more enjoyable to read.