:you should write no more than four words. weather watcher karen kosiba knows about storms. she's a scientist. she studies the weather and can tell us how storms form. karen uses tools such as a truck, computers, and maps to see how storms form. she studies clouds and tracks how wind moves. karen knows a lot about one kinds of storm. it is called a tornado. a tornado can form in a thunderstorm. a tornado is a wind that spins very fast. it touches the ground. it can pick up things. it can even pick up cars karen learns more about storms. this helps scientists to make better forecasts. forecasts tell what the weather will be like and can tell people if a storm will happen. they can tell people to get ready for bad weather and to stay safe 1. what does karen do? 2. what kind of equipment does she use to see how storm form? 3. what does the promoun "they" (line 8) refer to?