Ignoring minerals and nutrients, does a pound of salad have more energy in it than a pound of steak? Did it take the same amount of energy to produce each? Explain.

a. Yes, a pound of salad has more energy because it is plant-based.
b. No, a pound of steak has more energy because it is protein-rich.
c. Yes, it took the same amount of energy to produce each because they are both food items.
d. It depends on the specific composition of the salad and steak, as well as the energy inputs required for their production processes.