Choose the best sentence that can be made from the words given.
The desert today / be characterized / 700 - foot - high dunes / giant sand mountains.
The desert today is characterized with 700 - foot - high dunes but giant sand mountains. The desert today is characterized by 700 - foot - high dunes and giant sand mountains. The desert today is characterized by 700 - foot - high dunes and however giant sand mountains. The desert today which is characterized by 700 - foot - high dunes and giant sand mountains.