The addition of fertilizers to soil primarily changes the amount of minerals available, enhancing nutrient content necessary for plant growth. While fertilizers can also affect pH and water levels, the direct impact is on mineral availability. Therefore, the correct answer is the amount of minerals. ;
The correct answer is the amount of minerals. Adding fertilizers primarily increases the mineral content in the soil, which is essential for plant growth. While pH and water levels may be affected as well, the main change is in mineral availability.
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