Answer:
In Colorado, Alamosa, North America.
Explanation:
The Great Sand Dunes, in southern Colorado, are the tallest in North America, with a few dunes towering over 700 feet. it features 30 square miles of rolling sand dunes along with incredible high-elevation mountains.
The dune takes two hours to climb.On March 17, 1932, the Great Sand Dunes were designated as a National Monument. It was until the 2000, that was when the Great Sand Dunes were considered a national park and preserve.
Although winters are very wet..summers in the biome are also very dry ...therefore causing it not to rain...so crops wont be able to grow there.....so your answer is ......d