Dubai is challenged by all of the following environmental factors except a. a warm and dry climate b. a lack of annual rainfall c. scarce freshwater resources d. a lack of valuable natural resources

The appropriate answer is d. a lack of valuable natural resources. Dubai is in fact blessed with one of the most valuable natural resources today; petroleum. The presence of this resource in the region has fueled the development of the state.
Dubai is challenged by being located in the region of the Middle East which has soaring temperatures and an arid climate. The arid climate lead to low annual rainfall and as such scarce fresh water resources.

D? I'm not sure. It could be C. too.

Answeris associated with sunny,dry weather;

Answerwide-open;