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What is the importance of the ozone layer?
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The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?
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Calculate 9 ∙ 10-5 divided by 3 ∙ 10-9. (box after the "10" in answer is for the
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What is the importance of the ozone layer?...
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