Suppose We Want to Examine the Effect of a Fertilizer

Multiple Choice

Suppose we want to examine the effect of a fertilizer on the size of zucchini produced, and therefore, we need to establish the experimental and control groups. The control group for this experiment would be defined under which conditions?

A) soil, fertilizer, water, sun, but 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