What subject do you need help with ? math english or science .. hopes this help :)
Answer:
A. Blanquear
Explanation:
Blaquear comes from the word white and she has their teeth yellow (amarillos) even whe she brushes them so she has to make something to make them more withish.
Porque fue necesario definir una nueva unidad para medir la distancia en el universo cual es la unidad