If We Wanted to Examine the Effect of a Fertilizer

Multiple Choice

If we wanted to examine the effect of a fertilizer on the size of zucchini produced, we would need to establish both experimental and control groups.The control group for this experiment would be defined by the following conditions:

A) soil, fertilizer, water, sun, and no zucchini seeds.
B) soil, fertilizer, water, sun, and zucchini seeds.
C) soil, water, sun, and no zucchini seeds.
D) soil, water, sun, and zucchini seeds.
E) soil, water, and sun.