It's primarily desert.
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That would be the Arabian Desert.
I think that the Arabian sea lies southeast of the Arabian peninsula.
The Arabian Peninsula is bordered by the Red Sea to the west, the Arabian Sea to the south, and the Persian Gulf to the northeast. Bodies of water that do not border the Arabian Peninsula include the Mediterranean Sea and the Indian Ocean. Therefore, any reference to these waters would indicate they are not adjacent to the Arabian Peninsula.
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The Arabian Peninsula
Oman is in Asia, on the Arabian Peninsula.
Oil, that's it. Other than that, it would be a worthless desert.
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The answer would be the "Arabian Desert". North of the Arabian Desert and west of the Euphrates River, in northwestern Iraq is the "Syrian desert"
geography
it is important because it is their most valuable resources. without it they would be poor.