One tool scientists use to learn about the weather is radar. To use radar, a weather tower sends out radio waves and then detects the waves that are reflected back to the tower. If a great number of radio waves are reflected back from a particular area, what does that tell scientists about the weather in that area? O A. There is a light sprinking of rain in the area. B. There is going to be a drop in air pressure in the area. C. There is only sunshine in the area, with no clouds. O D. There is a large amount of rain or snow in the area.​