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Which of the following terms describes the layers of air surrounding the earth ?

Determine which of the two measurements in each set is lesser.10°f or 20°ca. 10-fb. 20°c

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory