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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In relation to the Andes mountain, the Atacama desert is located to the west. It actually lies between the pacific ocean and the Andes mountain. The Atacama desert is one of the driest place on earth. It is a rainless pleatue located in Southern America. The Atacama desert covers almost a 1000 kilometers. The desert mainly consists of salt lakes, rocks and sand. This is a place where rain occurred numerous years ago and so it is considered a totally rainless place. There is every probability that the Atacama desert is the oldest desert present in the earth.
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To figure out just where that earthquake happened, you need to look at
your seismogram and you need to know what at least two other
seismographs recorded for the same earthquake. You will also need a map
of the world, a ruler, a pencil, and a compass for drawing circles on
the map.