What Is a Tornado and How Does It Form?
What Is a Tornado and How Does It Form? A tornado, or twister, is a violently rotating column of air that extends between the Earth’s surfac
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Cumulonimbus
What Makes Clouds and Why Do They Change Their Shapes?
What Makes Clouds and Why Do They Change Their Shapes? Clouds consist of droplets of water or tiny crystals of ice that float in the air. Cl