The two energy sources that can be said to cause most air pollution in the Middle East are D.g-a-s and o-il.
The Middle East is home to some of the largest reserves of fossil fuels so these most likely cause the pollution there.
The major fossil fuels available here are natural g-a-s and crude oil which means that option D is correct.
Find out more on crude oil at https://brainly.com/question/14260176.
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