41. |
The smallest glaciers are |
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42. |
The time interval between one vernal equinox and the next is nearest to which of the following figures? |
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43. |
Which of the following is measured on the Richter scale? |
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44. |
The time difference between each side of the International Date line is |
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45. |
The term used to describe the combined effect of all shortwave losses in |
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