Question

does the following text have an inappropriate shift in verb tense? if so, fix any verbs that dont match the tense of the verb in bold. if not, submit the text without making any changes.
shibori is an ancient japanese technique for folding and dyeing fabric.
originally, shibori artists mainly used indigo, a dark blue dye from plants, to dye cotton, silk, and hemp.

Explanation:

El texto tiene un cambio inapropiado de tiempo verbal: el primer verbo está en presente ("is") y el segundo en pasado ("used"). Para mantener coherencia, se ajusta el verbo principal al pasado, ya que se describe una práctica original (pasada) de la técnica.

Answer:

Sí, hay un cambio inapropiado de tiempo verbal. El texto corregido es:
Shibori was an ancient Japanese technique for folding and dyeing fabric. Originally, shibori artists mainly used indigo, a dark blue dye from plants, to dye cotton, silk, and hemp.