longest border between two countries UPSC 2024

longest border between any two countries UPSC Pre 2024 

Longest border between two countries in the world is between:

(a) Canada and the United States of America

(b) Chile and Argentina

(c) China and India

(d) Kazakhstan and Russian Federation

Ans. A

Also know

The longest boundary between two countries in the world is the border between Canada and the United States. It stretches approximately 8,891 kilometers (5,525 miles), making it the longest international boundary globally.

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