Question

We wrote in our journals for twenty minutes each day. Which type of phrase or clause is underlined in the sentence?

Answer 1

adverbial phrase is your answer

Hope this helps chu

Answer 2

We wrote in our journals for twenty minutes each day.

Answer:

adverbial phrase

In our journals cannot be a clause because it does not contain a subject and  a verb.

It is a prepositional phrase because it contains a preposition, in, an object of the preposition, journals,  and a word that modifies the object, our.

In our journals is prepositional phrase that acts as an adverb because it is modifying a verb, wrote. It is answering the question "Where?"

A prepositional phrase that acts as an adverb is an adverbial phrase.