Identify the preposition in the following sentence: before leaving for practice, make sure you have packed a lot of water; it's hot outside!
a. before
b. leaving
c. practice
d. packed

The word "before" is a preposition.

Explanation:

Before works as a preposition, an adverb and as a conjunction, it is a preposition of time and place, the other options are verb, am two nouns, packed is a past participle conjugation of pack, the other two options are nouns that refer to an object thing or situation in the sentence, option A is the only preposition.

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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