How is loess beneficial? It grows healthy crops. It prevents wind erosion. It protects land from waves. It decreases the slope of riverbanks.

The correct answer is option A, It grows healthy crops. Because the loess soil is very fertile due to its ability to exchange cations and porosity. Due to cation exchange capacity the plants easily absorbs nutrients from the soil and due to porosity the soil holds the water, oxygen and nutrients which is absorbed by the roots of the plants for their nourishment.