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’s research could help cows produce more meat while using less feed, making livestock production more efficient. A cow with more mass can provide more food for the population, which is the agricultural benefit described in choice C. Studying digestion may have other benefits, but choice D focuses on understanding human digestion rather than benefiting agriculture.

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