OPTIONS: A. pressure; B. density; C. salinity; D. altitude;
Given those answer options, answer the question: Answer the following question given this paragraph: Air temperature changes as altitude increases. In some layers of the atmosphere, the temperature decreases. In other layers, it increases. You can see this in Figure below . Refer to this figure as you read about the layers below. Q: Air temperature changes as what increases? A:
A:
D.