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ICSE Class 9 Geography Question 10 of 22

Geographic Grid: Latitudes and Longitudes — Question 22

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Question

Question 22

Assertion (A): Great circles are used to find the shortest distance between any two points on the earth's surface.

Reason (R): Great circle routes take into account weather or political restrictions.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R does not explain A.
  3. A is true but R is false.
  4. A is false but R is true.
Answer

A is true but R is false.

Explanation — A Great Circle Route is the shortest distance between two places on the earth and lies on the arc of a great circle. Using this hypothesis, navigators find the shortest distance between any two points on the earth's surface.