Answer :
Final answer:
When traveling westward across the International Date Line, you add a day. The Date Line, running along the 180° meridian of longitude, serves as the point where the date changes by one day. An example is the date of the attack on Pearl Harbor, known as December 7, 1941, in the US, but taught as December 8 in Japan. So, the correct option is A.
Explanation:
The correct answer to your question is - when traveling westward across the International Date Line, you would add a day. This due to the position of the International Date Line, which is set by international agreement to run approximately along the 180° meridian of longitude. This line serves as the point where the date changes by one day. Therefore, if you're moving from east to west, you are technically 'gaining' a day by adding onto your current date.
A good example of this concept would be the date of the attack on Pearl Harbor in Hawaii. Known in the United States as Sunday, December 7, 1941, but Japanese students learn this as Monday, December 8, due to the International Date Line.
Learn more about International Date Line here:
https://brainly.com/question/2805398
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