Which is the dividing meridian between zone...

Question 1 / 2066636ee928f7522a1c5195e6

Question 1 of 2066636ee928f7522a1c5195e6

Which is the dividing meridian between zone descriptions -7 and -8?

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Question 1 of 20

66636ee928f7522a1c5195e6

Which is the dividing meridian between zone descriptions -7 and -8?

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🔍 Key Concepts

• Recall how standard time zones are generally spaced in 15° increments of longitude. • Understand that a time zone description (like -7 or -8) refers to hours offset from Greenwich Mean Time (GMT/UTC). • Think about the central meridian of each time zone and how the zone boundaries are usually placed halfway between central meridians.

💭 Think About

• First, determine the central meridian for zone description -7 and for -8 based on the idea of 15° per hour from the prime meridian. • Next, find the midpoint in longitude between those two central meridians; that midpoint is the dividing meridian between the two zones. • Compare that midpoint longitude (and its hemisphere, E or W) with each of the answer choices to see which one matches the expected location.

✅ Before You Answer

• Be sure you are using the correct sign convention: negative zone descriptions are generally west of Greenwich. • Verify that the 15° per hour spacing is applied from 0° (Greenwich) correctly before you compute the boundary. • Double-check whether the answer choice longitude is east or west, and ensure it matches where zones -7 and -8 should be located (in terms of hemisphere).

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Question 1 of 20

Which is the dividing meridian between zone descriptions -7 and -8?

112°30'E

118°30'E

120°00'E

116°30'W

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Question 1 / 2066636ee928f7522a1c5195e6

Question 1 of 2066636ee928f7522a1c5195e6

Which is the dividing meridian between zone descriptions -7 and -8?

Back

Question 1 of 20

66636ee928f7522a1c5195e6

Which is the dividing meridian between zone descriptions -7 and -8?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

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