Geography is the study of the physical features of the earth and its atmosphere. I hope I helped have a great day.
When a volcano erupts, the molten rock (or magma) that comes out of the Earth is called lava. Because lava is so hot (more than 1,100 degrees C, over 2,000 degrees F), it remains molten and flows across the ground until it cools and hardens into rock.
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The North Has the most climate variation in the USA. Hope this helps!
