What is the purpose of using multiple control groups in an experiment?
o
a. to generate as much data as possible, whether they're useful or
not
o
b. to scientists make observations that are not relevant to the
experiment
o
c. to control for factors that aren't being tested but might affect
results
o
d. to provide background information concerning the experimental
question
submit

C is the answer.

Explanation:

A control group is a group separated from the rest of the experiment such that the independent variable being tested cannot influence the results.

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.

idk lol use google m8