The 2nd one
i just guessed but my instincts tell me it's right, and they are usually right. But if u really need help explaining, go ask a teacher or parent!! i mean i'm a singer, NOT a geologist
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
The answer is C, to figure it out take all the numbers and multiply by .10
Answer:usually a wall or a bridge seperates another country
Explanation: hope i helped
