Respuesta :
D would probably be the best answer. Answer B doesn't make sense. Answer a doesn't take in the fact that different plants need different amounts of water which is also with answer C. Answer D is the most logical that resonates with the experiment. They are trying to see the effects of putting plants that like shades in the sun and see if it'll adapt or die.
Answer:
The correct answer is option D.
Explanation:
In the given experiment the variables are shade and direct sunlight for the experimental group of plants while the shade is variable for all the group of plants that grow best in shade.
According to the given information option, A and option B are incorrect in terms of different variables. Different vegetation requires a different dose of direct sunlight can not be generalized, so option c would not be answer.
Thus, the correct answer is option D.