In the above scenario, why did Susan place the plants in a greenhouse and control the amount of sunlight and temperature?
A) Keeping any factor that can influence a plant's growth, other than fertilizer, equal to all plants, ensures that if there is a difference at the end, it will most likely be due to the fertilizer.
B) It was an easy place to keep the plants.
C) It did not make a difference. The fertilizer would have influence growth even if the plants were part in sunlight and part in shade.
D) The plants would have adapted to the situation no matter if the temperatures is different.

Question

Quizplus · Accepted Answer

Susan placed the plants in a greenhouse and controlled the amount of sunlight and temperature to ensure that all variables except for the one being tested (the fertilizer) were kept constant. This approach helps in isolating the effect of the fertilizer on plant growth, making the experiment more reliable.

In the Above Scenario, Why Did Susan Place the Plants