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Find the change in temperature or elevation.

1) From -16 degrees C to 23 degrees C
2) From -47 degrees C to -38 degrees C
3) From 9 degrees F to -12 degrees F
4) From -16 degrees F to -27 degrees F

1) 23 + 16 = 39 degrees increase

2) 47 - 38 = 9 increase

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