In Weather,high-Pressure Systems and Low-Pressure Systems Typically Go from West

Multiple Choice

In weather,high-pressure systems and low-pressure systems typically go from west to east in the United States.What type of weather does this indicate?

A) No weather is indicated by high pressure or low pressure systems.
B) Both high pressure and low pressure usually indicate clear weather.
C) High pressure usually indicates unstable weather and low pressure usually indicates clear weather.
D) Both high pressure and low pressure usually indicates unstable weather.
E) High pressure usually indicates clear weather and low pressure usually indicates unstable weather.