How to predict the weather without a forecast<br>Detect the direction of the wind. Wind is caused when air moves from a high pressure area to a low pressure area. Since weather moves in from the west, westerly winds indicate good weather because they suggest the bad weather is already to your east.

Based on that paragraph can we conclude that this sentence is true?
Wind is caused by air pressure changes.

Select from the following.
a). Yes.
b). It's impossible to say.
c). No.
a).