Why is volcanic soil (andisol) very fertile? a. it is rich in minerals from volcanic deposits. b. it is a young soil with low water retention. c. it has been leached of mineral nutrients. d. volcanic activity warms the soil. please select the best answer from the choices provided a b c d
volcanic soils are very fertile because volcanic eruptions deposit rich minerals. When the minerals absorb in the soil, it becomes a good supply of nutrients for plants.
volcanic soil can contain iron, magnesium, potassium, phosphorus, and calcium. These minerals are all good nutrients for plants.
