Answer: oración secundaria.
Translation: subordinate clause.
Explanation:
A secondary sentence is one that has some relation to the main sentence, although it has less importance than the main sentence, it provides some circumstantial content to the main sentence but which cannot stand as a sentence.
<h2><em>Spymore</em></h2>
Yo tengo que —-cortarme—- el pelo
La mochilla es negra - The backpack is black
Cada vez que las culturas interactúan, a través del comercio, la inmigración, etc., las culturas se propagan, mezclan y mueven rápidamente.
