The answer is D. The Palaeozoic era was characterized by the supercontinent of Pannotia which was located at the current position where Chile is, 500 million years ago. There is evidence that shows that central Africa was once at the polar regions due to evidence of glaciers in its geological rocks. Due to tectonic movement, the Appalachians and the Ural Mountains were formed in the resulting Pangea supercontinent.
The correct answers among all the other choices are 2. desert terrain, 3. dry climate, and 5. petroleum reserves. <span>The countries of the Arabian Peninsula have these things in common. </span>Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.