Question

Which of the following is correct descriptions of aeolian deposits?

Both loess and sand dunes are formed by accumulation of wind-blown silt

Loess is formed by accumulation of wind-blown sand; sand dunes are formed by accumulation of wind-blown silt

Both loess and sand dunes are formed by accumulation of wind-blown sand

Loess is formed by accumulation of wind-blown silt; sand dunes are formed by accumulation of wind-blown sand

Answer 1

Option D

Step-by-step explanation:

Loess is a wind blown silt that piles into high dunes which later hardens. On the other hand, the sand blown debris is known as sand dunes which are rounded hillocks and is broken by the wind.

Hence, option D is correct