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The sun is a major source of ultraviolet rays. Though the sun emits all of the different kinds of electromagnetic radiation, 99% of its rays are in the form of visible light, ultraviolet rays, and infrared rays (also known as heat).
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Music and dance, which was central to African life, became sustenance for slaves’ emotional lives in America, especially in their prayer and worship practices. Many cultural elements from colonial America still exists in African-American culture today.
This machine was called the cotton gin
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The Interior Lowland stretches from the Gulf of Mexico in the south to Hudson Bay in the north. While the southern and eastern portions of the Eastern Lowlands consist of the Gulf and Atlantic Coastal Plains, which wrap around the eastern mountains in a gradual slope to the sea.
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