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.

Question

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.

anonymous · Answer

A

anonymous · Answer

the soil is fertile because of the breakdown of minerals from volcanic ash and lava which releases iron, magnesium, potassium etc to the soil and they are essential nutrients for plants