Answer:
16. -197 < -110
17. 167 > -65
18. Mercury, Earth, Mars, Jupiter, Uranus, Neptune
Explanation:
It can help to plot these temperatures on a number line. The ones farther to the left are less than ones to their right.
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16. -197 < -110 . . . Uranus < Jupiter
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17. 167 > -65 . . . Mercury > Mars
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18. Reading the graph from right to left, the order greatest to least is ...
Mercury, Earth, Mars, Jupiter, Uranus, Neptune
Not surprisingly, this is the order of these planets outward from the sun.