Which of the following distinguishes which bioengineer is studying a topic beneficial to agriculture and correctly explains why?
Bioengineer A is studying how to make cows gain more mass from smaller amounts of food.
Bioengineer B is studying the process of how cows digest food.
Bioengineer A, because farmers are running out of fields to let their cows graze,
Bioengineer B, because a cow's digestive process helps scientists understand human digestion
Bioengineer B, because many cows suffer from deadly digestion problems,
O
Bioengineer A, because a cow with more mass can provide more food to the population

Bioengineer A, because a cow with more mass can provide more food to the population

Explanation:

I did it on edge.

from the word list given, the most suitable words that relate to the reason information were written would be:  

objectivity: lack of bias, judgment, or prejudice

accuracy: free of mistakes, to be correct

authority: the ability to tell people what to do or believe in

content: to be satisfied  

it can be said that the author made the article to present objectivity, to provide accurate information, to be the authority in the subject that he or she writes, and to be satisfied of the information quality given out.