Question

select the dependent clause. frozen foods may lose water molecules and become dehydrated unless they are wrapped tightly.

Explanation:

A dependent clause is a group of words with a subject and a verb that cannot stand alone as a sentence. In the given text, "unless they are wrapped tightly" is a dependent clause as it starts with the subordinating conjunction "unless" and does not express a complete thought on its own.

Answer:

unless they are wrapped tightly