What do we need to plan if we want to start-up a business?

Conduct market research. Market research will tell you if there's an opportunity to turn your idea into a successful business.

Explanation:

a-he encouraged islamic schools to introduce greek texts.

d-he invited greek scholars to teach their texts to the locals.

explanation:

the transmission of the greek classics to latin western europe during the middle ages was a key factor in the development of intellectual life in western europe.[1] interest in greek texts and their availability was scarce in the latin west during the earlier middle ages, but as traffic to the east increased so did western scholarship.

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the correct answer is dilapidated.

hope this (: