question: What is the term for air moving over earth’s surface?
distractor3: tidal
distractor1: humidity
distractor2: spin cycle
correct_answer: wind
support: Wind is only air moving over Earth’s surface, but it can cause a lot of erosion. Look at Figure below . It will give you an idea of just how much erosion wind can cause. The dust storm in the photo occurred in Arizona. All that dust in the air was picked up and carried by the wind. The wind may carry the dust for hundreds of kilometers before depositing it.