Fact 1: Cold fronts cause thunderstorms as they pass by. Fact 2: If cold air replaces warm air, it is called a cold front. Given the two facts above, answer the question "What does cold air replacing warm air cause?" with the following options: - Greenhouse gases - Pollution - Dehydration - thunderstorms - steady barometer readings - hypothyroidism - constant air pressure - stagnant air temperature
Answer:
thunderstorms