Question

why Countries of Arabian Peninsula are well populated despite being a desert

Answer 1

Explanation:

The Arabian Desert is actually an extension of the Sahara Desert over the Arabian peninsula. The climate is mainly hot and dry with plenty of sunshine throughout the year. The rainfall amount is generally around 100 mm (3.9 in), and the driest areas can receive between 30 and 40 mm (1.6 in) of annual rain.