Concept:Sand dunes are hills of sand formed by wind action, typically found in desert regions with abundant sand and steady winds.
Explanation:Abu Dhabi (in the United Arab Emirates) is a desert area with vast sandy landscapes, making it a common location for sand dunes.
Afghanistan also has desert regions where sand dunes occur.
In contrast, England, Bangladesh, Berlin, and Uzbekistan do not have extensive sandy deserts suitable for sand dune formation.
Thus, among the given options, only Abu Dhabi and Afghanistan correctly match the places where sand dunes are commonly found.
Answer:D. Abu Dhabi, Afghanistan