Answer :
Final answer:
Water, sunlight, and carbon dioxide are crucial abiotic factors for plant growth.
Explanation:
Water, sunlight, and carbon dioxide are abiotic factors most responsible for the increase in the mass of a plant. Water is essential for photosynthesis and nutrient uptake, sunlight is needed for energy production through photosynthesis, and carbon dioxide is a key component for photosynthesis to occur.
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