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In the text below some words are missing. Drag words from the box below to the appropriate place in the text. To undo an answer choice, drag the word back to the box below the text.
Compass
Before Google Maps and even GPS, people used magnetic compasses for over 900 years in order to reliably around the world. A compass works by using the earth’s magnetic field to a magnetized needle. This allows us to the four cardinal directions: north, south, east, and west.
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