Question

Trevor watched as the barometer on his front porch showed a change in air pressure.

Answer 1

Answer: D) A high pressure system turned into a low pressure system.

Step-by-step explanation:

Usually cloudy and stormy weather is asociated with low pressure systems, while hot and dry weather is associated with high pressure system.

In the image we can see how the day went from sunny to rainy.

This means that we started with a high pressure system that transformed into a low pressure system.