Eduardo is narrowing the focus of his science fair project and compiling a list of research questions his project can answer. which of the following questions can be answered scientifically? a. which brand of sugar-free popsicle melts the fastest? b. which brand of mp3 player sounds the best? c. which brand of bandage hurts more to remove? d. which brand of orange soda do people prefer?

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.

the answer is d. none of the above