The angle at which indoor plants grow is related to the location of natural light sources such as windows.
Answer: Option B.
Step-by-step explanation:
During the process of the growing of the plants, one of the most important factors is the light of the sun and the warmth that the sun gives to the seeds and the growing plant for it's growth.
If the plants are growing indoor that is inside a building, then the angle at which the sun light will come and reach the plant is very important. So the plants have to be kept at a particular angle so that they get the proper amount of sunlight needed for their growth.