The circumference is the length of the outer line of the circle. The formula is
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C = 2πr
C = 2 x 3.14 x 1.5
C = 9.43 km
Answer:
As you maintain height, the amount of air above you reduces, lowering the pressure. When the pressure drops, the air molecules spread out more (air expands) and the temperature decreases
Explanation:
Not sure if its long enough.
