The Contiguous United States does not include Alaska, Hawaii, or any other territories under the control of the United States. Alaska is unique among the US states as it is part of the North American continent, meaning it is attached via Canada, and so is part of the "Continental United States".
Answer: D. changes direction
Explanation: A lens works by refraction: it bends light rays as they pass through it so they change direction.
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Pressure increases as we move to the center
Characters, A backround story
