Answer:
using Biuret reagent
Explanation:
add a few drops of Biuret reagent solution to the food sample.
if protein is presence in the food sample the biuret reagent solution will give a color change (purple)
<span>C. She is one of the students who I want to meet.
"She is one of the students <em>whom</em> I want to meet."
The objective form of the pronoun must be used because <em>whom</em> is the object of the infinitive phrase <em>to meet</em>.</span>
Answer:
It is C.
The only one that actually states a problem at zoos is C.
It means that although they are in love, there are still some obstacles they face, for example, their parents do not allow them to see each other.
Sorry if it doesn't make sense!