Answer:
The answer is clearly option a) "eras"
Explanation:
Since it keeps the verb in the past
elements using your lessons and experience within this virtual lab. 150 words max
I think it’s a acid base reaction where it’s basically a chemical reaction that occurs between an acid and and a base
B. - Encuentra
The correct for of "encontrar" that fits the sentence is "encuentra" (él encuentra, he finds).
Hope it helped,
BioTeacher101