Laterite soil is formed in the regions where _________.
Under conditions of heavy rainfall, the laterite soil is formed. Due to alternate wet and dry cycles, they are the result of extreme leaching. Heavy rainfall leaches out all soluble materials, leaving behind a high proportion of residual (remaining), insoluble iron and aluminium oxides in the soil from the top layer of the soil. Laterite soil is considered such soil. It is built in regions that receive heavy rainfall.
The correct answer is A.