Plants require sunlight for photosynthesis, a critical process for growth. Controlled variables like sunlight amount, soil type, and water availability are essential in plant experiments.
Light quantity refers to the intensity or concentration of sunlight and varies with the season of the year. Plants need sunlight to undergo photosynthesis, a process vital for their growth. It is crucial to maintain controlled variables like the amount of sunlight, type of soil, and water availability to conduct a valid plant experiment.
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