What is the name given to lines on a chart...

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Question 1 of 2066636ee928f7522a1c519ad3

What is the name given to lines on a chart which connect points of equal magnetic variation?

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Question 1 of 20

66636ee928f7522a1c519ad3

What is the name given to lines on a chart which connect points of equal magnetic variation?

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🔍 Key Concepts

• Magnetic variation (declination) and how it is shown on nautical charts • The difference between lines that connect equal values (like contour lines) and individual value labels • Terms that describe Earth’s magnetic field: isogonic, agonic, dip/inclination, magnetic latitude

💭 Think About

• Think about what you call any line on a map or chart that connects places with the SAME numerical value of something (for example, same depth, same pressure, same temperature). What is the magnetic-navigation term for that idea? • Consider which option sounds like a LINE type (a family of lines on a chart) versus which sound like a single value or a location. • Ask yourself which of these terms you’ve seen printed as curved lines around the compass rose on the margins of large-scale charts.

✅ Before You Answer

• Verify which term specifically means "lines connecting points of equal magnetic variation" rather than the variation itself. • Eliminate any options that describe angle only (a measurement) instead of the line connecting equal angles. • Check standard chartwork/textbook terminology: what is the opposite of an agonic line (where variation is zero)? That word is closely related to the correct choice.

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Question 1 of 2066636ee928f7522a1c519ad3

What is the name given to lines on a chart which connect points of equal magnetic variation?

Back

Question 1 of 20

66636ee928f7522a1c519ad3

What is the name given to lines on a chart which connect points of equal magnetic variation?

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

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