Question

Where warm, moist, unstable mT air seldom penetrates, such as along the west coast of the United States, ________. there are many thunderstorms there are very few thunderstorms there is no humidity in the air there is an excess of humidity in the air

Answer 1

Answer:

there are very few thunderstorms

Explanation:

• Maritime tropical air masses that influence the weather of the western coastal areas of the America starts in the Caribbean Sea, then to the southern Gulf of Mexico, and the tropical Atlantic east of the Florida and the Bahamas.  

• Maritime tropical air masses are moist and unstable.  While the continental dry air mass consisting of the hot and arid climates of the southwest, thus their interaction creates occasional thunderstorms.