Final answer:
The correct answer is option c. The pH value for soil to be acidic is below 7.0. Cabbage is an acid-loving vegetable and requires a soil pH below 7.0 in order to thrive.
Step-by-step explanation:
The pH value for soil to be acidic is below 7.0.
On the pH scale, anything below 7.0 is considered acidic, while anything above 7.0 is considered basic. The pH scale ranges from 0 to 14, with 7 being neutral. Cabbage is an acid-loving vegetable, so it requires a soil pH that is below 7.0 in order to thrive.
It's important for plants to have the correct pH level in the soil because pH affects nutrient availability. Different plants have different pH preferences, and maintaining the appropriate pH can help ensure optimal growth and health.