No, sand dunes are not the major feature of deserts. Hills, valleys, plains, mountains, mesas, arroyos, and many other features are more commonly seen in deserts than sand dunes.
Botswana is almost completely covered in desert.
Botswana is almost entirely covered by the Kalahari Desert. It is the second largest desert in Africa.
Nevada is almost completely covered by deserts. The largest of these is the Great Basin Desert.
Nevada is almost entirely covered by the Great Basin Desert. It is the largest desert in North America.Nevada is almost entirely covered by the Great Basin Desert. It is the largest desert in North America.
Nearly all of Botswana is covered by desert.
Almost all of it - it's a desert.
Almost the entire continent of Antarctica is a desert, much of it covered in ice,
Almost the entire peninsula is covered by desert.
Antarctica is almost entirely covered by a polar desert, It is classified as a desert since it receives virtually no precipitation each year.
Nevada is almost entirely covered by deserts.
Namibia is almost entirely covered by the Namib Desert while Botswana is nearly covered by the Kalahari Desert.
The state of Nevada is almost entirely covered by deserts.